Home / 929,074,531.60-1,282,074,065.04-511,306,968.16

Finding the Fourth Proportional to 929,074,531.60, 1,282,074,065.04 and 511,306,968.16

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Solution

The fourth proportional to 929,074,531.60, 1,282,074,065.04 and 511,306,968.16 is: 705,576,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,074,531.60 : 1,282,074,065.04 = 511,306,968.16 : x
  2. Step 2: Convert to fraction form
    929,074,531.60/1,282,074,065.04 = 511,306,968.16/x
  3. Step 3: Cross multiply
    929,074,531.60x = 1,282,074,065.04 × 511,306,968.16
  4. Step 4: Simplify right side
    929,074,531.60x = 655,533,403,152,169,088
  5. Step 5: Solve for x
    x = 655,533,403,152,169,088/929,074,531.60
  6. Step 6: Final answer
    x = 705,576,765.76

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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.