Home / 985,282,121.89-1,359,692,931.72-533,160,093.25

Finding the Fourth Proportional to 985,282,121.89, 1,359,692,931.72 and 533,160,093.25

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Solution

The fourth proportional to 985,282,121.89, 1,359,692,931.72 and 533,160,093.25 is: 735,762,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,282,121.89 : 1,359,692,931.72 = 533,160,093.25 : x
  2. Step 2: Convert to fraction form
    985,282,121.89/1,359,692,931.72 = 533,160,093.25/x
  3. Step 3: Cross multiply
    985,282,121.89x = 1,359,692,931.72 × 533,160,093.25
  4. Step 4: Simplify right side
    985,282,121.89x = 724,934,010,262,601,344
  5. Step 5: Solve for x
    x = 724,934,010,262,601,344/985,282,121.89
  6. Step 6: Final answer
    x = 735,762,878.63

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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.