Home / 798,345,825.60-1,197,518,738.40-389,664,148.80

Finding the Fourth Proportional to 798,345,825.60, 1,197,518,738.40 and 389,664,148.80

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Solution

The fourth proportional to 798,345,825.60, 1,197,518,738.40 and 389,664,148.80 is: 584,496,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,345,825.60 : 1,197,518,738.40 = 389,664,148.80 : x
  2. Step 2: Convert to fraction form
    798,345,825.60/1,197,518,738.40 = 389,664,148.80/x
  3. Step 3: Cross multiply
    798,345,825.60x = 1,197,518,738.40 × 389,664,148.80
  4. Step 4: Simplify right side
    798,345,825.60x = 466,630,119,870,685,952
  5. Step 5: Solve for x
    x = 466,630,119,870,685,952/798,345,825.60
  6. Step 6: Final answer
    x = 584,496,223.20

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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.