Home / 747,492,055.30-1,121,238,082.95-359,221,260.70

Finding the Fourth Proportional to 747,492,055.30, 1,121,238,082.95 and 359,221,260.70

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Solution

The fourth proportional to 747,492,055.30, 1,121,238,082.95 and 359,221,260.70 is: 538,831,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,492,055.30 : 1,121,238,082.95 = 359,221,260.70 : x
  2. Step 2: Convert to fraction form
    747,492,055.30/1,121,238,082.95 = 359,221,260.70/x
  3. Step 3: Cross multiply
    747,492,055.30x = 1,121,238,082.95 × 359,221,260.70
  4. Step 4: Simplify right side
    747,492,055.30x = 402,772,557,702,150,208
  5. Step 5: Solve for x
    x = 402,772,557,702,150,208/747,492,055.30
  6. Step 6: Final answer
    x = 538,831,891.05

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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.