Home / 692,768,865.38-956,013,418.05-375,221,211.84

Finding the Fourth Proportional to 692,768,865.38, 956,013,418.05 and 375,221,211.84

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Solution

The fourth proportional to 692,768,865.38, 956,013,418.05 and 375,221,211.84 is: 517,801,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,768,865.38 : 956,013,418.05 = 375,221,211.84 : x
  2. Step 2: Convert to fraction form
    692,768,865.38/956,013,418.05 = 375,221,211.84/x
  3. Step 3: Cross multiply
    692,768,865.38x = 956,013,418.05 × 375,221,211.84
  4. Step 4: Simplify right side
    692,768,865.38x = 358,716,513,256,021,504
  5. Step 5: Solve for x
    x = 358,716,513,256,021,504/692,768,865.38
  6. Step 6: Final answer
    x = 517,801,147.23

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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.