Home / 840,501,435.58-1,261,517,215.98-447,358,323.30

Finding the Fourth Proportional to 840,501,435.58, 1,261,517,215.98 and 447,358,323.30

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Solution

The fourth proportional to 840,501,435.58, 1,261,517,215.98 and 447,358,323.30 is: 671,444,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,501,435.58 : 1,261,517,215.98 = 447,358,323.30 : x
  2. Step 2: Convert to fraction form
    840,501,435.58/1,261,517,215.98 = 447,358,323.30/x
  3. Step 3: Cross multiply
    840,501,435.58x = 1,261,517,215.98 × 447,358,323.30
  4. Step 4: Simplify right side
    840,501,435.58x = 564,350,226,554,896,768
  5. Step 5: Solve for x
    x = 564,350,226,554,896,768/840,501,435.58
  6. Step 6: Final answer
    x = 671,444,690.83

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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.