Home / 700,635,800.87-966,860,384.51-387,361,960.19

Finding the Fourth Proportional to 700,635,800.87, 966,860,384.51 and 387,361,960.19

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Solution

The fourth proportional to 700,635,800.87, 966,860,384.51 and 387,361,960.19 is: 534,550,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,635,800.87 : 966,860,384.51 = 387,361,960.19 : x
  2. Step 2: Convert to fraction form
    700,635,800.87/966,860,384.51 = 387,361,960.19/x
  3. Step 3: Cross multiply
    700,635,800.87x = 966,860,384.51 × 387,361,960.19
  4. Step 4: Simplify right side
    700,635,800.87x = 374,524,933,771,433,600
  5. Step 5: Solve for x
    x = 374,524,933,771,433,600/700,635,800.87
  6. Step 6: Final answer
    x = 534,550,094.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.