Home / 716,256,801.60-1,074,385,202.40-409,579,915.20

Finding the Fourth Proportional to 716,256,801.60, 1,074,385,202.40 and 409,579,915.20

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Solution

The fourth proportional to 716,256,801.60, 1,074,385,202.40 and 409,579,915.20 is: 614,369,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,256,801.60 : 1,074,385,202.40 = 409,579,915.20 : x
  2. Step 2: Convert to fraction form
    716,256,801.60/1,074,385,202.40 = 409,579,915.20/x
  3. Step 3: Cross multiply
    716,256,801.60x = 1,074,385,202.40 × 409,579,915.20
  4. Step 4: Simplify right side
    716,256,801.60x = 440,046,600,091,126,848
  5. Step 5: Solve for x
    x = 440,046,600,091,126,848/716,256,801.60
  6. Step 6: Final answer
    x = 614,369,872.80

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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.