Home / 792,127,904.60-1,188,191,856.90-209,952,003.80

Finding the Fourth Proportional to 792,127,904.60, 1,188,191,856.90 and 209,952,003.80

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Solution

The fourth proportional to 792,127,904.60, 1,188,191,856.90 and 209,952,003.80 is: 314,928,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,127,904.60 : 1,188,191,856.90 = 209,952,003.80 : x
  2. Step 2: Convert to fraction form
    792,127,904.60/1,188,191,856.90 = 209,952,003.80/x
  3. Step 3: Cross multiply
    792,127,904.60x = 1,188,191,856.90 × 209,952,003.80
  4. Step 4: Simplify right side
    792,127,904.60x = 249,463,261,254,997,888
  5. Step 5: Solve for x
    x = 249,463,261,254,997,888/792,127,904.60
  6. Step 6: Final answer
    x = 314,928,005.70

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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.