Home / 15,727,549,191.30-21,704,017,053.95-8,493,595,972.13

Finding the Fourth Proportional to 15,727,549,191.30, 21,704,017,053.95 and 8,493,595,972.13

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Solution

The fourth proportional to 15,727,549,191.30, 21,704,017,053.95 and 8,493,595,972.13 is: 11,721,161,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727,549,191.30 : 21,704,017,053.95 = 8,493,595,972.13 : x
  2. Step 2: Convert to fraction form
    15,727,549,191.30/21,704,017,053.95 = 8,493,595,972.13/x
  3. Step 3: Cross multiply
    15,727,549,191.30x = 21,704,017,053.95 × 8,493,595,972.13
  4. Step 4: Simplify right side
    15,727,549,191.30x = 184,345,151,828,470,562,816
  5. Step 5: Solve for x
    x = 184,345,151,828,470,562,816/15,727,549,191.30
  6. Step 6: Final answer
    x = 11,721,161,993.28

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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.