Home / 1,185,241,908.30-1,635,734,275.77-656,771,663.49

Finding the Fourth Proportional to 1,185,241,908.30, 1,635,734,275.77 and 656,771,663.49

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Solution

The fourth proportional to 1,185,241,908.30, 1,635,734,275.77 and 656,771,663.49 is: 906,400,553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,241,908.30 : 1,635,734,275.77 = 656,771,663.49 : x
  2. Step 2: Convert to fraction form
    1,185,241,908.30/1,635,734,275.77 = 656,771,663.49/x
  3. Step 3: Cross multiply
    1,185,241,908.30x = 1,635,734,275.77 × 656,771,663.49
  4. Step 4: Simplify right side
    1,185,241,908.30x = 1,074,303,921,325,073,280
  5. Step 5: Solve for x
    x = 1,074,303,921,325,073,280/1,185,241,908.30
  6. Step 6: Final answer
    x = 906,400,553.17

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Double scale
Find fourth proportional to 1,185,241,909.30, 1,635,734,277.15 and 656,771,664.49
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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.