Home / 840,220,223.40-1,260,330,335.10-756,996,562.80

Finding the Fourth Proportional to 840,220,223.40, 1,260,330,335.10 and 756,996,562.80

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Solution

The fourth proportional to 840,220,223.40, 1,260,330,335.10 and 756,996,562.80 is: 1,135,494,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,220,223.40 : 1,260,330,335.10 = 756,996,562.80 : x
  2. Step 2: Convert to fraction form
    840,220,223.40/1,260,330,335.10 = 756,996,562.80/x
  3. Step 3: Cross multiply
    840,220,223.40x = 1,260,330,335.10 × 756,996,562.80
  4. Step 4: Simplify right side
    840,220,223.40x = 954,065,731,663,272,064
  5. Step 5: Solve for x
    x = 954,065,731,663,272,064/840,220,223.40
  6. Step 6: Final answer
    x = 1,135,494,844.20

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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.