Home / 747,492,052.80-1,121,238,079.20-359,221,258.20

Finding the Fourth Proportional to 747,492,052.80, 1,121,238,079.20 and 359,221,258.20

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Solution

The fourth proportional to 747,492,052.80, 1,121,238,079.20 and 359,221,258.20 is: 538,831,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,492,052.80 : 1,121,238,079.20 = 359,221,258.20 : x
  2. Step 2: Convert to fraction form
    747,492,052.80/1,121,238,079.20 = 359,221,258.20/x
  3. Step 3: Cross multiply
    747,492,052.80x = 1,121,238,079.20 × 359,221,258.20
  4. Step 4: Simplify right side
    747,492,052.80x = 402,772,553,551,975,232
  5. Step 5: Solve for x
    x = 402,772,553,551,975,232/747,492,052.80
  6. Step 6: Final answer
    x = 538,831,887.30

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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.