Home / 785,373,592.40-1,178,049,329.40-354,551,397.20

Finding the Fourth Proportional to 785,373,592.40, 1,178,049,329.40 and 354,551,397.20

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Solution

The fourth proportional to 785,373,592.40, 1,178,049,329.40 and 354,551,397.20 is: 531,822,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,373,592.40 : 1,178,049,329.40 = 354,551,397.20 : x
  2. Step 2: Convert to fraction form
    785,373,592.40/1,178,049,329.40 = 354,551,397.20/x
  3. Step 3: Cross multiply
    785,373,592.40x = 1,178,049,329.40 × 354,551,397.20
  4. Step 4: Simplify right side
    785,373,592.40x = 417,679,035,709,293,056
  5. Step 5: Solve for x
    x = 417,679,035,709,293,056/785,373,592.40
  6. Step 6: Final answer
    x = 531,822,103.20

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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.