Home / 1,185,417,773.10-1,635,875,248.95-649,582,503.75

Finding the Fourth Proportional to 1,185,417,773.10, 1,635,875,248.95 and 649,582,503.75

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Solution

The fourth proportional to 1,185,417,773.10, 1,635,875,248.95 and 649,582,503.75 is: 896,423,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,417,773.10 : 1,635,875,248.95 = 649,582,503.75 : x
  2. Step 2: Convert to fraction form
    1,185,417,773.10/1,635,875,248.95 = 649,582,503.75/x
  3. Step 3: Cross multiply
    1,185,417,773.10x = 1,635,875,248.95 × 649,582,503.75
  4. Step 4: Simplify right side
    1,185,417,773.10x = 1,062,635,940,035,595,648
  5. Step 5: Solve for x
    x = 1,062,635,940,035,595,648/1,185,417,773.10
  6. Step 6: Final answer
    x = 896,423,154.90

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Double scale
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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.