Home / 1,581,132,481.58-2,181,963,031.25-876,329,965.35

Finding the Fourth Proportional to 1,581,132,481.58, 2,181,963,031.25 and 876,329,965.35

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Solution

The fourth proportional to 1,581,132,481.58, 2,181,963,031.25 and 876,329,965.35 is: 1,209,335,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,132,481.58 : 2,181,963,031.25 = 876,329,965.35 : x
  2. Step 2: Convert to fraction form
    1,581,132,481.58/2,181,963,031.25 = 876,329,965.35/x
  3. Step 3: Cross multiply
    1,581,132,481.58x = 2,181,963,031.25 × 876,329,965.35
  4. Step 4: Simplify right side
    1,581,132,481.58x = 1,912,119,587,565,911,808
  5. Step 5: Solve for x
    x = 1,912,119,587,565,911,808/1,581,132,481.58
  6. Step 6: Final answer
    x = 1,209,335,466.73

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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.