Home / 932,711,937.39-1,399,552,106.67-380,419,554.51

Finding the Fourth Proportional to 932,711,937.39, 1,399,552,106.67 and 380,419,554.51

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Solution

The fourth proportional to 932,711,937.39, 1,399,552,106.67 and 380,419,554.51 is: 570,826,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,711,937.39 : 1,399,552,106.67 = 380,419,554.51 : x
  2. Step 2: Convert to fraction form
    932,711,937.39/1,399,552,106.67 = 380,419,554.51/x
  3. Step 3: Cross multiply
    932,711,937.39x = 1,399,552,106.67 × 380,419,554.51
  4. Step 4: Simplify right side
    932,711,937.39x = 532,416,988,932,933,440
  5. Step 5: Solve for x
    x = 532,416,988,932,933,440/932,711,937.39
  6. Step 6: Final answer
    x = 570,826,819.72

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1.5x scale

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.