Home / 380,559,905,502.99-525,186,477,756.85-218,010,967,101.69

Finding the Fourth Proportional to 380,559,905,502.99, 525,186,477,756.85 and 218,010,967,101.69

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Solution

The fourth proportional to 380,559,905,502.99, 525,186,477,756.85 and 218,010,967,101.69 is: 300,863,044,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,559,905,502.99 : 525,186,477,756.85 = 218,010,967,101.69 : x
  2. Step 2: Convert to fraction form
    380,559,905,502.99/525,186,477,756.85 = 218,010,967,101.69/x
  3. Step 3: Cross multiply
    380,559,905,502.99x = 525,186,477,756.85 × 218,010,967,101.69
  4. Step 4: Simplify right side
    380,559,905,502.99x = 114,496,411,924,501,060,648,960
  5. Step 5: Solve for x
    x = 114,496,411,924,501,060,648,960/380,559,905,502.99
  6. Step 6: Final answer
    x = 300,863,044,868.51

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Double scale
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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.