Home / 539,398,258.60-809,097,387.90-194,363,141.80

Finding the Fourth Proportional to 539,398,258.60, 809,097,387.90 and 194,363,141.80

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Solution

The fourth proportional to 539,398,258.60, 809,097,387.90 and 194,363,141.80 is: 291,544,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,398,258.60 : 809,097,387.90 = 194,363,141.80 : x
  2. Step 2: Convert to fraction form
    539,398,258.60/809,097,387.90 = 194,363,141.80/x
  3. Step 3: Cross multiply
    539,398,258.60x = 809,097,387.90 × 194,363,141.80
  4. Step 4: Simplify right side
    539,398,258.60x = 157,258,710,334,417,312
  5. Step 5: Solve for x
    x = 157,258,710,334,417,312/539,398,258.60
  6. Step 6: Final answer
    x = 291,544,712.70

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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.