Home / 658,217,155.57-908,339,456.08-360,853,013.24

Finding the Fourth Proportional to 658,217,155.57, 908,339,456.08 and 360,853,013.24

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Solution

The fourth proportional to 658,217,155.57, 908,339,456.08 and 360,853,013.24 is: 497,977,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,217,155.57 : 908,339,456.08 = 360,853,013.24 : x
  2. Step 2: Convert to fraction form
    658,217,155.57/908,339,456.08 = 360,853,013.24/x
  3. Step 3: Cross multiply
    658,217,155.57x = 908,339,456.08 × 360,853,013.24
  4. Step 4: Simplify right side
    658,217,155.57x = 327,777,029,771,250,688
  5. Step 5: Solve for x
    x = 327,777,029,771,250,688/658,217,155.57
  6. Step 6: Final answer
    x = 497,977,038.42

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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.