Home / 932,585,031.33-1,286,985,256.62-509,215,478.83

Finding the Fourth Proportional to 932,585,031.33, 1,286,985,256.62 and 509,215,478.83

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Solution

The fourth proportional to 932,585,031.33, 1,286,985,256.62 and 509,215,478.83 is: 702,727,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,585,031.33 : 1,286,985,256.62 = 509,215,478.83 : x
  2. Step 2: Convert to fraction form
    932,585,031.33/1,286,985,256.62 = 509,215,478.83/x
  3. Step 3: Cross multiply
    932,585,031.33x = 1,286,985,256.62 × 509,215,478.83
  4. Step 4: Simplify right side
    932,585,031.33x = 655,352,813,696,903,680
  5. Step 5: Solve for x
    x = 655,352,813,696,903,680/932,585,031.33
  6. Step 6: Final answer
    x = 702,727,141.96

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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.