Home / 530,585,422.72-732,209,401.92-307,610,454.40

Finding the Fourth Proportional to 530,585,422.72, 732,209,401.92 and 307,610,454.40

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Solution

The fourth proportional to 530,585,422.72, 732,209,401.92 and 307,610,454.40 is: 424,503,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,585,422.72 : 732,209,401.92 = 307,610,454.40 : x
  2. Step 2: Convert to fraction form
    530,585,422.72/732,209,401.92 = 307,610,454.40/x
  3. Step 3: Cross multiply
    530,585,422.72x = 732,209,401.92 × 307,610,454.40
  4. Step 4: Simplify right side
    530,585,422.72x = 225,235,266,840,563,392
  5. Step 5: Solve for x
    x = 225,235,266,840,563,392/530,585,422.72
  6. Step 6: Final answer
    x = 424,503,307.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.