Home / 871,249,671.56-1,306,869,772.62-502,545,620.36

Finding the Fourth Proportional to 871,249,671.56, 1,306,869,772.62 and 502,545,620.36

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Solution

The fourth proportional to 871,249,671.56, 1,306,869,772.62 and 502,545,620.36 is: 753,815,699.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,249,671.56 : 1,306,869,772.62 = 502,545,620.36 : x
  2. Step 2: Convert to fraction form
    871,249,671.56/1,306,869,772.62 = 502,545,620.36/x
  3. Step 3: Cross multiply
    871,249,671.56x = 1,306,869,772.62 × 502,545,620.36
  4. Step 4: Simplify right side
    871,249,671.56x = 656,761,680,611,049,984
  5. Step 5: Solve for x
    x = 656,761,680,611,049,984/871,249,671.56
  6. Step 6: Final answer
    x = 753,815,699.51

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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.