Home / 310,472,284.20-465,708,426.30-291,340,408.20

Finding the Fourth Proportional to 310,472,284.20, 465,708,426.30 and 291,340,408.20

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Solution

The fourth proportional to 310,472,284.20, 465,708,426.30 and 291,340,408.20 is: 437,010,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,472,284.20 : 465,708,426.30 = 291,340,408.20 : x
  2. Step 2: Convert to fraction form
    310,472,284.20/465,708,426.30 = 291,340,408.20/x
  3. Step 3: Cross multiply
    310,472,284.20x = 465,708,426.30 × 291,340,408.20
  4. Step 4: Simplify right side
    310,472,284.20x = 135,679,683,020,421,616
  5. Step 5: Solve for x
    x = 135,679,683,020,421,616/310,472,284.20
  6. Step 6: Final answer
    x = 437,010,612.30

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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.