Home / 488,655,424.80-732,983,137.20-402,561,982.80

Finding the Fourth Proportional to 488,655,424.80, 732,983,137.20 and 402,561,982.80

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Solution

The fourth proportional to 488,655,424.80, 732,983,137.20 and 402,561,982.80 is: 603,842,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,655,424.80 : 732,983,137.20 = 402,561,982.80 : x
  2. Step 2: Convert to fraction form
    488,655,424.80/732,983,137.20 = 402,561,982.80/x
  3. Step 3: Cross multiply
    488,655,424.80x = 732,983,137.20 × 402,561,982.80
  4. Step 4: Simplify right side
    488,655,424.80x = 295,071,145,070,196,480
  5. Step 5: Solve for x
    x = 295,071,145,070,196,480/488,655,424.80
  6. Step 6: Final answer
    x = 603,842,974.20

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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.