Home / 746,426,456.76-1,119,635,699.16-193,728,480.96

Finding the Fourth Proportional to 746,426,456.76, 1,119,635,699.16 and 193,728,480.96

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Solution

The fourth proportional to 746,426,456.76, 1,119,635,699.16 and 193,728,480.96 is: 290,591,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,426,456.76 : 1,119,635,699.16 = 193,728,480.96 : x
  2. Step 2: Convert to fraction form
    746,426,456.76/1,119,635,699.16 = 193,728,480.96/x
  3. Step 3: Cross multiply
    746,426,456.76x = 1,119,635,699.16 × 193,728,480.96
  4. Step 4: Simplify right side
    746,426,456.76x = 216,905,323,226,854,368
  5. Step 5: Solve for x
    x = 216,905,323,226,854,368/746,426,456.76
  6. Step 6: Final answer
    x = 290,591,686.91

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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.