Home / 1,146,181,981.11-1,717,519,283.06-771,301,567.86

Finding the Fourth Proportional to 1,146,181,981.11, 1,717,519,283.06 and 771,301,567.86

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Solution

The fourth proportional to 1,146,181,981.11, 1,717,519,283.06 and 771,301,567.86 is: 1,155,772,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,181,981.11 : 1,717,519,283.06 = 771,301,567.86 : x
  2. Step 2: Convert to fraction form
    1,146,181,981.11/1,717,519,283.06 = 771,301,567.86/x
  3. Step 3: Cross multiply
    1,146,181,981.11x = 1,717,519,283.06 × 771,301,567.86
  4. Step 4: Simplify right side
    1,146,181,981.11x = 1,324,725,315,850,104,832
  5. Step 5: Solve for x
    x = 1,324,725,315,850,104,832/1,146,181,981.11
  6. Step 6: Final answer
    x = 1,155,772,240.08

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Double scale
Find fourth proportional to 1,146,181,982.11, 1,717,519,284.55 and 771,301,568.86
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1.5x scale

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.