Home / 343,722,931,410.96-474,316,272,916.38-189,389,974,294.38

Finding the Fourth Proportional to 343,722,931,410.96, 474,316,272,916.38 and 189,389,974,294.38

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Solution

The fourth proportional to 343,722,931,410.96, 474,316,272,916.38 and 189,389,974,294.38 is: 261,346,388,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,722,931,410.96 : 474,316,272,916.38 = 189,389,974,294.38 : x
  2. Step 2: Convert to fraction form
    343,722,931,410.96/474,316,272,916.38 = 189,389,974,294.38/x
  3. Step 3: Cross multiply
    343,722,931,410.96x = 474,316,272,916.38 × 189,389,974,294.38
  4. Step 4: Simplify right side
    343,722,931,410.96x = 89,830,746,735,039,339,298,816
  5. Step 5: Solve for x
    x = 89,830,746,735,039,339,298,816/343,722,931,410.96
  6. Step 6: Final answer
    x = 261,346,388,401.53

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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.