Home / 1,251,392,826.17-1,728,355,356.28-824,140,034.61

Finding the Fourth Proportional to 1,251,392,826.17, 1,728,355,356.28 and 824,140,034.61

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Solution

The fourth proportional to 1,251,392,826.17, 1,728,355,356.28 and 824,140,034.61 is: 1,138,257,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,392,826.17 : 1,728,355,356.28 = 824,140,034.61 : x
  2. Step 2: Convert to fraction form
    1,251,392,826.17/1,728,355,356.28 = 824,140,034.61/x
  3. Step 3: Cross multiply
    1,251,392,826.17x = 1,728,355,356.28 × 824,140,034.61
  4. Step 4: Simplify right side
    1,251,392,826.17x = 1,424,406,843,137,485,824
  5. Step 5: Solve for x
    x = 1,424,406,843,137,485,824/1,251,392,826.17
  6. Step 6: Final answer
    x = 1,138,257,159.02

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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.