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Finding the Fourth Proportional to 650,713,452.80, 897,981,302.40 and 353,353,038.08

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Solution

The fourth proportional to 650,713,452.80, 897,981,302.40 and 353,353,038.08 is: 487,625,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,713,452.80 : 897,981,302.40 = 353,353,038.08 : x
  2. Step 2: Convert to fraction form
    650,713,452.80/897,981,302.40 = 353,353,038.08/x
  3. Step 3: Cross multiply
    650,713,452.80x = 897,981,302.40 × 353,353,038.08
  4. Step 4: Simplify right side
    650,713,452.80x = 317,304,421,342,075,200
  5. Step 5: Solve for x
    x = 317,304,421,342,075,200/650,713,452.80
  6. Step 6: Final answer
    x = 487,625,420.95

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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.