Home / 389,495,363.13-583,734,337.47-297,040,572.36

Finding the Fourth Proportional to 389,495,363.13, 583,734,337.47 and 297,040,572.36

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Solution

The fourth proportional to 389,495,363.13, 583,734,337.47 and 297,040,572.36 is: 445,172,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,495,363.13 : 583,734,337.47 = 297,040,572.36 : x
  2. Step 2: Convert to fraction form
    389,495,363.13/583,734,337.47 = 297,040,572.36/x
  3. Step 3: Cross multiply
    389,495,363.13x = 583,734,337.47 × 297,040,572.36
  4. Step 4: Simplify right side
    389,495,363.13x = 173,392,781,708,274,208
  5. Step 5: Solve for x
    x = 173,392,781,708,274,208/389,495,363.13
  6. Step 6: Final answer
    x = 445,172,903.51

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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.