Home / 354,294,381.90-531,441,572.85-243,329,501.10

Finding the Fourth Proportional to 354,294,381.90, 531,441,572.85 and 243,329,501.10

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Solution

The fourth proportional to 354,294,381.90, 531,441,572.85 and 243,329,501.10 is: 364,994,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,381.90 : 531,441,572.85 = 243,329,501.10 : x
  2. Step 2: Convert to fraction form
    354,294,381.90/531,441,572.85 = 243,329,501.10/x
  3. Step 3: Cross multiply
    354,294,381.90x = 531,441,572.85 × 243,329,501.10
  4. Step 4: Simplify right side
    354,294,381.90x = 129,315,412,785,389,808
  5. Step 5: Solve for x
    x = 129,315,412,785,389,808/354,294,381.90
  6. Step 6: Final answer
    x = 364,994,251.65

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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.