Home / 816,587,842,928.15-1,126,885,490,614.10-445,791,260,862.35

Finding the Fourth Proportional to 816,587,842,928.15, 1,126,885,490,614.10 and 445,791,260,862.35

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Solution

The fourth proportional to 816,587,842,928.15, 1,126,885,490,614.10 and 445,791,260,862.35 is: 615,188,810,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,587,842,928.15 : 1,126,885,490,614.10 = 445,791,260,862.35 : x
  2. Step 2: Convert to fraction form
    816,587,842,928.15/1,126,885,490,614.10 = 445,791,260,862.35/x
  3. Step 3: Cross multiply
    816,587,842,928.15x = 1,126,885,490,614.10 × 445,791,260,862.35
  4. Step 4: Simplify right side
    816,587,842,928.15x = 502,355,703,708,347,506,098,176
  5. Step 5: Solve for x
    x = 502,355,703,708,347,506,098,176/816,587,842,928.15
  6. Step 6: Final answer
    x = 615,188,810,437.08

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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.