Home / 559,874,731.60-840,232,001.40-287,105,093.20

Finding the Fourth Proportional to 559,874,731.60, 840,232,001.40 and 287,105,093.20

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Solution

The fourth proportional to 559,874,731.60, 840,232,001.40 and 287,105,093.20 is: 430,872,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,874,731.60 : 840,232,001.40 = 287,105,093.20 : x
  2. Step 2: Convert to fraction form
    559,874,731.60/840,232,001.40 = 287,105,093.20/x
  3. Step 3: Cross multiply
    559,874,731.60x = 840,232,001.40 × 287,105,093.20
  4. Step 4: Simplify right side
    559,874,731.60x = 241,234,887,071,569,504
  5. Step 5: Solve for x
    x = 241,234,887,071,569,504/559,874,731.60
  6. Step 6: Final answer
    x = 430,872,967.57

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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.