Home / 380,559,905,501.49-525,186,477,754.79-218,010,967,100.19

Finding the Fourth Proportional to 380,559,905,501.49, 525,186,477,754.79 and 218,010,967,100.19

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Solution

The fourth proportional to 380,559,905,501.49, 525,186,477,754.79 and 218,010,967,100.19 is: 300,863,044,866.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,559,905,501.49 : 525,186,477,754.79 = 218,010,967,100.19 : x
  2. Step 2: Convert to fraction form
    380,559,905,501.49/525,186,477,754.79 = 218,010,967,100.19/x
  3. Step 3: Cross multiply
    380,559,905,501.49x = 525,186,477,754.79 × 218,010,967,100.19
  4. Step 4: Simplify right side
    380,559,905,501.49x = 114,496,411,923,264,193,953,792
  5. Step 5: Solve for x
    x = 114,496,411,923,264,193,953,792/380,559,905,501.49
  6. Step 6: Final answer
    x = 300,863,044,866.44

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Double scale
Find fourth proportional to 380,559,905,502.49, 525,186,477,756.17 and 218,010,967,101.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.