Home / 1,144,044,021.20-1,716,066,031.80-314,996,061.20

Finding the Fourth Proportional to 1,144,044,021.20, 1,716,066,031.80 and 314,996,061.20

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Solution

The fourth proportional to 1,144,044,021.20, 1,716,066,031.80 and 314,996,061.20 is: 472,494,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,044,021.20 : 1,716,066,031.80 = 314,996,061.20 : x
  2. Step 2: Convert to fraction form
    1,144,044,021.20/1,716,066,031.80 = 314,996,061.20/x
  3. Step 3: Cross multiply
    1,144,044,021.20x = 1,716,066,031.80 × 314,996,061.20
  4. Step 4: Simplify right side
    1,144,044,021.20x = 540,554,040,776,113,920
  5. Step 5: Solve for x
    x = 540,554,040,776,113,920/1,144,044,021.20
  6. Step 6: Final answer
    x = 472,494,091.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.