Home / 526,626,189.48-726,468,612.65-325,618,809.42

Finding the Fourth Proportional to 526,626,189.48, 726,468,612.65 and 325,618,809.42

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Solution

The fourth proportional to 526,626,189.48, 726,468,612.65 and 325,618,809.42 is: 449,183,594.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,626,189.48 : 726,468,612.65 = 325,618,809.42 : x
  2. Step 2: Convert to fraction form
    526,626,189.48/726,468,612.65 = 325,618,809.42/x
  3. Step 3: Cross multiply
    526,626,189.48x = 726,468,612.65 × 325,618,809.42
  4. Step 4: Simplify right side
    526,626,189.48x = 236,551,844,730,464,064
  5. Step 5: Solve for x
    x = 236,551,844,730,464,064/526,626,189.48
  6. Step 6: Final answer
    x = 449,183,594.47

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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.