Home / 343,722,931,217.80-474,316,272,651.22-189,389,974,101.17

Finding the Fourth Proportional to 343,722,931,217.80, 474,316,272,651.22 and 189,389,974,101.17

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Solution

The fourth proportional to 343,722,931,217.80, 474,316,272,651.22 and 189,389,974,101.17 is: 261,346,388,135.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,722,931,217.80 : 474,316,272,651.22 = 189,389,974,101.17 : x
  2. Step 2: Convert to fraction form
    343,722,931,217.80/474,316,272,651.22 = 189,389,974,101.17/x
  3. Step 3: Cross multiply
    343,722,931,217.80x = 474,316,272,651.22 × 189,389,974,101.17
  4. Step 4: Simplify right side
    343,722,931,217.80x = 89,830,746,593,178,045,906,944
  5. Step 5: Solve for x
    x = 89,830,746,593,178,045,906,944/343,722,931,217.80
  6. Step 6: Final answer
    x = 261,346,388,135.67

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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.