Home / 893,316,273.60-1,340,016,400.80-279,920,510.40

Finding the Fourth Proportional to 893,316,273.60, 1,340,016,400.80 and 279,920,510.40

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Solution

The fourth proportional to 893,316,273.60, 1,340,016,400.80 and 279,920,510.40 is: 419,893,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,316,273.60 : 1,340,016,400.80 = 279,920,510.40 : x
  2. Step 2: Convert to fraction form
    893,316,273.60/1,340,016,400.80 = 279,920,510.40/x
  3. Step 3: Cross multiply
    893,316,273.60x = 1,340,016,400.80 × 279,920,510.40
  4. Step 4: Simplify right side
    893,316,273.60x = 375,098,074,856,306,944
  5. Step 5: Solve for x
    x = 375,098,074,856,306,944/893,316,273.60
  6. Step 6: Final answer
    x = 419,893,923.29

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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.