Home / 1,000,392,452.92-1,380,549,690.89-554,363,266.56

Finding the Fourth Proportional to 1,000,392,452.92, 1,380,549,690.89 and 554,363,266.56

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Solution

The fourth proportional to 1,000,392,452.92, 1,380,549,690.89 and 554,363,266.56 is: 765,025,799.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,392,452.92 : 1,380,549,690.89 = 554,363,266.56 : x
  2. Step 2: Convert to fraction form
    1,000,392,452.92/1,380,549,690.89 = 554,363,266.56/x
  3. Step 3: Cross multiply
    1,000,392,452.92x = 1,380,549,690.89 × 554,363,266.56
  4. Step 4: Simplify right side
    1,000,392,452.92x = 765,326,036,290,178,688
  5. Step 5: Solve for x
    x = 765,326,036,290,178,688/1,000,392,452.92
  6. Step 6: Final answer
    x = 765,025,799.68

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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.