Home / 488,325,337.20-732,488,005.80-396,492,332.40

Finding the Fourth Proportional to 488,325,337.20, 732,488,005.80 and 396,492,332.40

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Solution

The fourth proportional to 488,325,337.20, 732,488,005.80 and 396,492,332.40 is: 594,738,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,325,337.20 : 732,488,005.80 = 396,492,332.40 : x
  2. Step 2: Convert to fraction form
    488,325,337.20/732,488,005.80 = 396,492,332.40/x
  3. Step 3: Cross multiply
    488,325,337.20x = 732,488,005.80 × 396,492,332.40
  4. Step 4: Simplify right side
    488,325,337.20x = 290,425,877,874,666,688
  5. Step 5: Solve for x
    x = 290,425,877,874,666,688/488,325,337.20
  6. Step 6: Final answer
    x = 594,738,498.60

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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.