Home / 1,331,799,509.70-1,997,699,264.55-349,224,149.70

Finding the Fourth Proportional to 1,331,799,509.70, 1,997,699,264.55 and 349,224,149.70

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Solution

The fourth proportional to 1,331,799,509.70, 1,997,699,264.55 and 349,224,149.70 is: 523,836,224.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,799,509.70 : 1,997,699,264.55 = 349,224,149.70 : x
  2. Step 2: Convert to fraction form
    1,331,799,509.70/1,997,699,264.55 = 349,224,149.70/x
  3. Step 3: Cross multiply
    1,331,799,509.70x = 1,997,699,264.55 × 349,224,149.70
  4. Step 4: Simplify right side
    1,331,799,509.70x = 697,644,827,018,789,120
  5. Step 5: Solve for x
    x = 697,644,827,018,789,120/1,331,799,509.70
  6. Step 6: Final answer
    x = 523,836,224.55

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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.