Home / 12,752,347,632.72-17,604,610,966.39-7,931,266,587.44

Finding the Fourth Proportional to 12,752,347,632.72, 17,604,610,966.39 and 7,931,266,587.44

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Solution

The fourth proportional to 12,752,347,632.72, 17,604,610,966.39 and 7,931,266,587.44 is: 10,949,110,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752,347,632.72 : 17,604,610,966.39 = 7,931,266,587.44 : x
  2. Step 2: Convert to fraction form
    12,752,347,632.72/17,604,610,966.39 = 7,931,266,587.44/x
  3. Step 3: Cross multiply
    12,752,347,632.72x = 17,604,610,966.39 × 7,931,266,587.44
  4. Step 4: Simplify right side
    12,752,347,632.72x = 139,626,862,742,608,805,888
  5. Step 5: Solve for x
    x = 139,626,862,742,608,805,888/12,752,347,632.72
  6. Step 6: Final answer
    x = 10,949,110,451.19

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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.