Home / 747,011,036.10-1,120,516,554.15-229,440,646.20

Finding the Fourth Proportional to 747,011,036.10, 1,120,516,554.15 and 229,440,646.20

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Solution

The fourth proportional to 747,011,036.10, 1,120,516,554.15 and 229,440,646.20 is: 344,160,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,011,036.10 : 1,120,516,554.15 = 229,440,646.20 : x
  2. Step 2: Convert to fraction form
    747,011,036.10/1,120,516,554.15 = 229,440,646.20/x
  3. Step 3: Cross multiply
    747,011,036.10x = 1,120,516,554.15 × 229,440,646.20
  4. Step 4: Simplify right side
    747,011,036.10x = 257,092,042,261,973,312
  5. Step 5: Solve for x
    x = 257,092,042,261,973,312/747,011,036.10
  6. Step 6: Final answer
    x = 344,160,969.30

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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.