Home / 297,654,547.20-446,481,820.80-215,387,480.40

Finding the Fourth Proportional to 297,654,547.20, 446,481,820.80 and 215,387,480.40

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Solution

The fourth proportional to 297,654,547.20, 446,481,820.80 and 215,387,480.40 is: 323,081,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,654,547.20 : 446,481,820.80 = 215,387,480.40 : x
  2. Step 2: Convert to fraction form
    297,654,547.20/446,481,820.80 = 215,387,480.40/x
  3. Step 3: Cross multiply
    297,654,547.20x = 446,481,820.80 × 215,387,480.40
  4. Step 4: Simplify right side
    297,654,547.20x = 96,166,594,426,516,320
  5. Step 5: Solve for x
    x = 96,166,594,426,516,320/297,654,547.20
  6. Step 6: Final answer
    x = 323,081,220.60

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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.