Home / 792,127,902.60-1,188,191,853.90-209,952,001.80

Finding the Fourth Proportional to 792,127,902.60, 1,188,191,853.90 and 209,952,001.80

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Solution

The fourth proportional to 792,127,902.60, 1,188,191,853.90 and 209,952,001.80 is: 314,928,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,127,902.60 : 1,188,191,853.90 = 209,952,001.80 : x
  2. Step 2: Convert to fraction form
    792,127,902.60/1,188,191,853.90 = 209,952,001.80/x
  3. Step 3: Cross multiply
    792,127,902.60x = 1,188,191,853.90 × 209,952,001.80
  4. Step 4: Simplify right side
    792,127,902.60x = 249,463,258,248,758,176
  5. Step 5: Solve for x
    x = 249,463,258,248,758,176/792,127,902.60
  6. Step 6: Final answer
    x = 314,928,002.70

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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.