Home / 840,501,402.32-1,261,517,166.32-447,358,290.21

Finding the Fourth Proportional to 840,501,402.32, 1,261,517,166.32 and 447,358,290.21

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Solution

The fourth proportional to 840,501,402.32, 1,261,517,166.32 and 447,358,290.21 is: 671,444,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,501,402.32 : 1,261,517,166.32 = 447,358,290.21 : x
  2. Step 2: Convert to fraction form
    840,501,402.32/1,261,517,166.32 = 447,358,290.21/x
  3. Step 3: Cross multiply
    840,501,402.32x = 1,261,517,166.32 × 447,358,290.21
  4. Step 4: Simplify right side
    840,501,402.32x = 564,350,162,593,242,624
  5. Step 5: Solve for x
    x = 564,350,162,593,242,624/840,501,402.32
  6. Step 6: Final answer
    x = 671,444,641.30

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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.