Home / 560,791,919.25-773,890,945.88-309,889,306.53

Finding the Fourth Proportional to 560,791,919.25, 773,890,945.88 and 309,889,306.53

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Solution

The fourth proportional to 560,791,919.25, 773,890,945.88 and 309,889,306.53 is: 427,646,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,791,919.25 : 773,890,945.88 = 309,889,306.53 : x
  2. Step 2: Convert to fraction form
    560,791,919.25/773,890,945.88 = 309,889,306.53/x
  3. Step 3: Cross multiply
    560,791,919.25x = 773,890,945.88 × 309,889,306.53
  4. Step 4: Simplify right side
    560,791,919.25x = 239,820,528,547,049,504
  5. Step 5: Solve for x
    x = 239,820,528,547,049,504/560,791,919.25
  6. Step 6: Final answer
    x = 427,646,191.60

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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.