Home / 538,849,276.80-808,273,915.20-484,323,430.20

Finding the Fourth Proportional to 538,849,276.80, 808,273,915.20 and 484,323,430.20

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Solution

The fourth proportional to 538,849,276.80, 808,273,915.20 and 484,323,430.20 is: 726,485,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,849,276.80 : 808,273,915.20 = 484,323,430.20 : x
  2. Step 2: Convert to fraction form
    538,849,276.80/808,273,915.20 = 484,323,430.20/x
  3. Step 3: Cross multiply
    538,849,276.80x = 808,273,915.20 × 484,323,430.20
  4. Step 4: Simplify right side
    538,849,276.80x = 391,465,995,150,847,936
  5. Step 5: Solve for x
    x = 391,465,995,150,847,936/538,849,276.80
  6. Step 6: Final answer
    x = 726,485,145.30

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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.