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Finding the Fourth Proportional to 1,337,472,000.40, 2,006,208,000.60 and 813,683,750.80

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Solution

The fourth proportional to 1,337,472,000.40, 2,006,208,000.60 and 813,683,750.80 is: 1,220,525,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,472,000.40 : 2,006,208,000.60 = 813,683,750.80 : x
  2. Step 2: Convert to fraction form
    1,337,472,000.40/2,006,208,000.60 = 813,683,750.80/x
  3. Step 3: Cross multiply
    1,337,472,000.40x = 2,006,208,000.60 × 813,683,750.80
  4. Step 4: Simplify right side
    1,337,472,000.40x = 1,632,418,850,813,176,576
  5. Step 5: Solve for x
    x = 1,632,418,850,813,176,576/1,337,472,000.40
  6. Step 6: Final answer
    x = 1,220,525,626.20

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1.5x scale

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.