Home / 747,492,080.30-1,121,238,120.45-359,221,285.70

Finding the Fourth Proportional to 747,492,080.30, 1,121,238,120.45 and 359,221,285.70

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Solution

The fourth proportional to 747,492,080.30, 1,121,238,120.45 and 359,221,285.70 is: 538,831,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,492,080.30 : 1,121,238,120.45 = 359,221,285.70 : x
  2. Step 2: Convert to fraction form
    747,492,080.30/1,121,238,120.45 = 359,221,285.70/x
  3. Step 3: Cross multiply
    747,492,080.30x = 1,121,238,120.45 × 359,221,285.70
  4. Step 4: Simplify right side
    747,492,080.30x = 402,772,599,203,900,480
  5. Step 5: Solve for x
    x = 402,772,599,203,900,480/747,492,080.30
  6. Step 6: Final answer
    x = 538,831,928.55

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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.