Home / 558,798,045.60-838,197,068.40-422,749,149.60

Finding the Fourth Proportional to 558,798,045.60, 838,197,068.40 and 422,749,149.60

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Solution

The fourth proportional to 558,798,045.60, 838,197,068.40 and 422,749,149.60 is: 634,123,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,798,045.60 : 838,197,068.40 = 422,749,149.60 : x
  2. Step 2: Convert to fraction form
    558,798,045.60/838,197,068.40 = 422,749,149.60/x
  3. Step 3: Cross multiply
    558,798,045.60x = 838,197,068.40 × 422,749,149.60
  4. Step 4: Simplify right side
    558,798,045.60x = 354,347,097,863,313,024
  5. Step 5: Solve for x
    x = 354,347,097,863,313,024/558,798,045.60
  6. Step 6: Final answer
    x = 634,123,724.40

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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.