Home / 870,912,897.10-1,306,369,345.65-655,922,049.10

Finding the Fourth Proportional to 870,912,897.10, 1,306,369,345.65 and 655,922,049.10

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Solution

The fourth proportional to 870,912,897.10, 1,306,369,345.65 and 655,922,049.10 is: 983,883,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,912,897.10 : 1,306,369,345.65 = 655,922,049.10 : x
  2. Step 2: Convert to fraction form
    870,912,897.10/1,306,369,345.65 = 655,922,049.10/x
  3. Step 3: Cross multiply
    870,912,897.10x = 1,306,369,345.65 × 655,922,049.10
  4. Step 4: Simplify right side
    870,912,897.10x = 856,876,458,080,174,208
  5. Step 5: Solve for x
    x = 856,876,458,080,174,208/870,912,897.10
  6. Step 6: Final answer
    x = 983,883,073.65

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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.