Home / 716,256,777.60-1,074,385,166.40-409,579,891.20

Finding the Fourth Proportional to 716,256,777.60, 1,074,385,166.40 and 409,579,891.20

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Solution

The fourth proportional to 716,256,777.60, 1,074,385,166.40 and 409,579,891.20 is: 614,369,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,256,777.60 : 1,074,385,166.40 = 409,579,891.20 : x
  2. Step 2: Convert to fraction form
    716,256,777.60/1,074,385,166.40 = 409,579,891.20/x
  3. Step 3: Cross multiply
    716,256,777.60x = 1,074,385,166.40 × 409,579,891.20
  4. Step 4: Simplify right side
    716,256,777.60x = 440,046,559,561,005,952
  5. Step 5: Solve for x
    x = 440,046,559,561,005,952/716,256,777.60
  6. Step 6: Final answer
    x = 614,369,836.80

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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.