Home / 754,956,091.30-1,132,434,136.95-209,702,971.30

Finding the Fourth Proportional to 754,956,091.30, 1,132,434,136.95 and 209,702,971.30

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Solution

The fourth proportional to 754,956,091.30, 1,132,434,136.95 and 209,702,971.30 is: 314,554,456.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,956,091.30 : 1,132,434,136.95 = 209,702,971.30 : x
  2. Step 2: Convert to fraction form
    754,956,091.30/1,132,434,136.95 = 209,702,971.30/x
  3. Step 3: Cross multiply
    754,956,091.30x = 1,132,434,136.95 × 209,702,971.30
  4. Step 4: Simplify right side
    754,956,091.30x = 237,474,803,319,966,144
  5. Step 5: Solve for x
    x = 237,474,803,319,966,144/754,956,091.30
  6. Step 6: Final answer
    x = 314,554,456.95

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Double scale
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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.