Home / 12,752,347,633.72-17,604,610,967.77-7,931,266,588.44

Finding the Fourth Proportional to 12,752,347,633.72, 17,604,610,967.77 and 7,931,266,588.44

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Solution

The fourth proportional to 12,752,347,633.72, 17,604,610,967.77 and 7,931,266,588.44 is: 10,949,110,452.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752,347,633.72 : 17,604,610,967.77 = 7,931,266,588.44 : x
  2. Step 2: Convert to fraction form
    12,752,347,633.72/17,604,610,967.77 = 7,931,266,588.44/x
  3. Step 3: Cross multiply
    12,752,347,633.72x = 17,604,610,967.77 × 7,931,266,588.44
  4. Step 4: Simplify right side
    12,752,347,633.72x = 139,626,862,771,158,564,864
  5. Step 5: Solve for x
    x = 139,626,862,771,158,564,864/12,752,347,633.72
  6. Step 6: Final answer
    x = 10,949,110,452.57

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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.