Home / 1,011,488,717.40-1,517,233,076.10-284,477,429.40

Finding the Fourth Proportional to 1,011,488,717.40, 1,517,233,076.10 and 284,477,429.40

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Solution

The fourth proportional to 1,011,488,717.40, 1,517,233,076.10 and 284,477,429.40 is: 426,716,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,488,717.40 : 1,517,233,076.10 = 284,477,429.40 : x
  2. Step 2: Convert to fraction form
    1,011,488,717.40/1,517,233,076.10 = 284,477,429.40/x
  3. Step 3: Cross multiply
    1,011,488,717.40x = 1,517,233,076.10 × 284,477,429.40
  4. Step 4: Simplify right side
    1,011,488,717.40x = 431,618,565,289,582,528
  5. Step 5: Solve for x
    x = 431,618,565,289,582,528/1,011,488,717.40
  6. Step 6: Final answer
    x = 426,716,144.10

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Double scale
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Similar ratio
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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.