Home / 932,497,302.78-1,286,839,615.23-509,110,950.78

Finding the Fourth Proportional to 932,497,302.78, 1,286,839,615.23 and 509,110,950.78

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Solution

The fourth proportional to 932,497,302.78, 1,286,839,615.23 and 509,110,950.78 is: 702,569,474.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,497,302.78 : 1,286,839,615.23 = 509,110,950.78 : x
  2. Step 2: Convert to fraction form
    932,497,302.78/1,286,839,615.23 = 509,110,950.78/x
  3. Step 3: Cross multiply
    932,497,302.78x = 1,286,839,615.23 × 509,110,950.78
  4. Step 4: Simplify right side
    932,497,302.78x = 655,144,140,011,114,624
  5. Step 5: Solve for x
    x = 655,144,140,011,114,624/932,497,302.78
  6. Step 6: Final answer
    x = 702,569,474.53

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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.