Home / 870,427,262.07-1,306,176,181.86-345,704,562.04

Finding the Fourth Proportional to 870,427,262.07, 1,306,176,181.86 and 345,704,562.04

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Solution

The fourth proportional to 870,427,262.07, 1,306,176,181.86 and 345,704,562.04 is: 518,769,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,427,262.07 : 1,306,176,181.86 = 345,704,562.04 : x
  2. Step 2: Convert to fraction form
    870,427,262.07/1,306,176,181.86 = 345,704,562.04/x
  3. Step 3: Cross multiply
    870,427,262.07x = 1,306,176,181.86 × 345,704,562.04
  4. Step 4: Simplify right side
    870,427,262.07x = 451,551,064,896,990,656
  5. Step 5: Solve for x
    x = 451,551,064,896,990,656/870,427,262.07
  6. Step 6: Final answer
    x = 518,769,441.83

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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.