Home / 770,745,401.11-1,063,446,348.63-436,217,916.16

Finding the Fourth Proportional to 770,745,401.11, 1,063,446,348.63 and 436,217,916.16

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Solution

The fourth proportional to 770,745,401.11, 1,063,446,348.63 and 436,217,916.16 is: 601,877,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,745,401.11 : 1,063,446,348.63 = 436,217,916.16 : x
  2. Step 2: Convert to fraction form
    770,745,401.11/1,063,446,348.63 = 436,217,916.16/x
  3. Step 3: Cross multiply
    770,745,401.11x = 1,063,446,348.63 × 436,217,916.16
  4. Step 4: Simplify right side
    770,745,401.11x = 463,894,350,147,339,520
  5. Step 5: Solve for x
    x = 463,894,350,147,339,520/770,745,401.11
  6. Step 6: Final answer
    x = 601,877,545.40

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Double scale
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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.