Home / 1,335,615,507.92-1,842,873,394.92-771,090,607.10

Finding the Fourth Proportional to 1,335,615,507.92, 1,842,873,394.92 and 771,090,607.10

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Solution

The fourth proportional to 1,335,615,507.92, 1,842,873,394.92 and 771,090,607.10 is: 1,063,945,691.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,615,507.92 : 1,842,873,394.92 = 771,090,607.10 : x
  2. Step 2: Convert to fraction form
    1,335,615,507.92/1,842,873,394.92 = 771,090,607.10/x
  3. Step 3: Cross multiply
    1,335,615,507.92x = 1,842,873,394.92 × 771,090,607.10
  4. Step 4: Simplify right side
    1,335,615,507.92x = 1,421,022,364,897,300,992
  5. Step 5: Solve for x
    x = 1,421,022,364,897,300,992/1,335,615,507.92
  6. Step 6: Final answer
    x = 1,063,945,691.31

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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.