Home / 402,926,787.60-604,390,181.40-130,325,110.80

Finding the Fourth Proportional to 402,926,787.60, 604,390,181.40 and 130,325,110.80

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Solution

The fourth proportional to 402,926,787.60, 604,390,181.40 and 130,325,110.80 is: 195,487,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,926,787.60 : 604,390,181.40 = 130,325,110.80 : x
  2. Step 2: Convert to fraction form
    402,926,787.60/604,390,181.40 = 130,325,110.80/x
  3. Step 3: Cross multiply
    402,926,787.60x = 604,390,181.40 × 130,325,110.80
  4. Step 4: Simplify right side
    402,926,787.60x = 78,767,217,357,387,088
  5. Step 5: Solve for x
    x = 78,767,217,357,387,088/402,926,787.60
  6. Step 6: Final answer
    x = 195,487,666.20

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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.