Home / 1,791,461,381.40-2,687,001,041.70-626,952,115.80

Finding the Fourth Proportional to 1,791,461,381.40, 2,687,001,041.70 and 626,952,115.80

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Solution

The fourth proportional to 1,791,461,381.40, 2,687,001,041.70 and 626,952,115.80 is: 940,361,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,461,381.40 : 2,687,001,041.70 = 626,952,115.80 : x
  2. Step 2: Convert to fraction form
    1,791,461,381.40/2,687,001,041.70 = 626,952,115.80/x
  3. Step 3: Cross multiply
    1,791,461,381.40x = 2,687,001,041.70 × 626,952,115.80
  4. Step 4: Simplify right side
    1,791,461,381.40x = 1,684,620,988,250,618,880
  5. Step 5: Solve for x
    x = 1,684,620,988,250,618,880/1,791,461,381.40
  6. Step 6: Final answer
    x = 940,361,319.39

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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.