Home / 1,298,189,430.66-1,947,299,104.98-469,206,030.90

Finding the Fourth Proportional to 1,298,189,430.66, 1,947,299,104.98 and 469,206,030.90

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Solution

The fourth proportional to 1,298,189,430.66, 1,947,299,104.98 and 469,206,030.90 is: 703,814,452.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,189,430.66 : 1,947,299,104.98 = 469,206,030.90 : x
  2. Step 2: Convert to fraction form
    1,298,189,430.66/1,947,299,104.98 = 469,206,030.90/x
  3. Step 3: Cross multiply
    1,298,189,430.66x = 1,947,299,104.98 × 469,206,030.90
  4. Step 4: Simplify right side
    1,298,189,430.66x = 913,684,484,022,788,224
  5. Step 5: Solve for x
    x = 913,684,484,022,788,224/1,298,189,430.66
  6. Step 6: Final answer
    x = 703,814,452.99

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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.