Home / 29,130,186,590.30-40,199,509,700.87-15,764,179,719.80

Finding the Fourth Proportional to 29,130,186,590.30, 40,199,509,700.87 and 15,764,179,719.80

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Solution

The fourth proportional to 29,130,186,590.30, 40,199,509,700.87 and 15,764,179,719.80 is: 21,754,488,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,130,186,590.30 : 40,199,509,700.87 = 15,764,179,719.80 : x
  2. Step 2: Convert to fraction form
    29,130,186,590.30/40,199,509,700.87 = 15,764,179,719.80/x
  3. Step 3: Cross multiply
    29,130,186,590.30x = 40,199,509,700.87 × 15,764,179,719.80
  4. Step 4: Simplify right side
    29,130,186,590.30x = 633,712,295,572,078,329,856
  5. Step 5: Solve for x
    x = 633,712,295,572,078,329,856/29,130,186,590.30
  6. Step 6: Final answer
    x = 21,754,488,032.81

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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.