Home / 929,812,796.55-1,283,142,972.33-506,428,120.44

Finding the Fourth Proportional to 929,812,796.55, 1,283,142,972.33 and 506,428,120.44

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Solution

The fourth proportional to 929,812,796.55, 1,283,142,972.33 and 506,428,120.44 is: 698,871,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,812,796.55 : 1,283,142,972.33 = 506,428,120.44 : x
  2. Step 2: Convert to fraction form
    929,812,796.55/1,283,142,972.33 = 506,428,120.44/x
  3. Step 3: Cross multiply
    929,812,796.55x = 1,283,142,972.33 × 506,428,120.44
  4. Step 4: Simplify right side
    929,812,796.55x = 649,819,683,732,876,800
  5. Step 5: Solve for x
    x = 649,819,683,732,876,800/929,812,796.55
  6. Step 6: Final answer
    x = 698,871,521.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.