Home / 688,843,246.20-1,033,264,869.30-495,133,001.70

Finding the Fourth Proportional to 688,843,246.20, 1,033,264,869.30 and 495,133,001.70

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Solution

The fourth proportional to 688,843,246.20, 1,033,264,869.30 and 495,133,001.70 is: 742,699,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,843,246.20 : 1,033,264,869.30 = 495,133,001.70 : x
  2. Step 2: Convert to fraction form
    688,843,246.20/1,033,264,869.30 = 495,133,001.70/x
  3. Step 3: Cross multiply
    688,843,246.20x = 1,033,264,869.30 × 495,133,001.70
  4. Step 4: Simplify right side
    688,843,246.20x = 511,603,536,287,667,136
  5. Step 5: Solve for x
    x = 511,603,536,287,667,136/688,843,246.20
  6. Step 6: Final answer
    x = 742,699,502.55

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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.