Home / 551,370,921.60-826,048,612.80-448,578,422.40

Finding the Fourth Proportional to 551,370,921.60, 826,048,612.80 and 448,578,422.40

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Solution

The fourth proportional to 551,370,921.60, 826,048,612.80 and 448,578,422.40 is: 672,047,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,370,921.60 : 826,048,612.80 = 448,578,422.40 : x
  2. Step 2: Convert to fraction form
    551,370,921.60/826,048,612.80 = 448,578,422.40/x
  3. Step 3: Cross multiply
    551,370,921.60x = 826,048,612.80 × 448,578,422.40
  4. Step 4: Simplify right side
    551,370,921.60x = 370,547,583,555,532,416
  5. Step 5: Solve for x
    x = 370,547,583,555,532,416/551,370,921.60
  6. Step 6: Final answer
    x = 672,047,743.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.