Home / 588,639,622,689.80-812,473,819,916.25-383,385,337,238.12

Finding the Fourth Proportional to 588,639,622,689.80, 812,473,819,916.25 and 383,385,337,238.12

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Solution

The fourth proportional to 588,639,622,689.80, 812,473,819,916.25 and 383,385,337,238.12 is: 529,170,204,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,639,622,689.80 : 812,473,819,916.25 = 383,385,337,238.12 : x
  2. Step 2: Convert to fraction form
    588,639,622,689.80/812,473,819,916.25 = 383,385,337,238.12/x
  3. Step 3: Cross multiply
    588,639,622,689.80x = 812,473,819,916.25 × 383,385,337,238.12
  4. Step 4: Simplify right side
    588,639,622,689.80x = 311,490,549,445,735,070,302,208
  5. Step 5: Solve for x
    x = 311,490,549,445,735,070,302,208/588,639,622,689.80
  6. Step 6: Final answer
    x = 529,170,204,381.37

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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.