Home / 1,335,068,445.64-1,842,391,494.64-740,338,231.72

Finding the Fourth Proportional to 1,335,068,445.64, 1,842,391,494.64 and 740,338,231.72

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Solution

The fourth proportional to 1,335,068,445.64, 1,842,391,494.64 and 740,338,231.72 is: 1,021,665,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,068,445.64 : 1,842,391,494.64 = 740,338,231.72 : x
  2. Step 2: Convert to fraction form
    1,335,068,445.64/1,842,391,494.64 = 740,338,231.72/x
  3. Step 3: Cross multiply
    1,335,068,445.64x = 1,842,391,494.64 × 740,338,231.72
  4. Step 4: Simplify right side
    1,335,068,445.64x = 1,363,992,861,277,745,664
  5. Step 5: Solve for x
    x = 1,363,992,861,277,745,664/1,335,068,445.64
  6. Step 6: Final answer
    x = 1,021,665,118.17

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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.