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Finding the Fourth Proportional to 15,123,202,221.40, 22,684,803,332.10 and 15,123,202,221.40

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Solution

The fourth proportional to 15,123,202,221.40, 22,684,803,332.10 and 15,123,202,221.40 is: 22,684,803,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,123,202,221.40 : 22,684,803,332.10 = 15,123,202,221.40 : x
  2. Step 2: Convert to fraction form
    15,123,202,221.40/22,684,803,332.10 = 15,123,202,221.40/x
  3. Step 3: Cross multiply
    15,123,202,221.40x = 22,684,803,332.10 × 15,123,202,221.40
  4. Step 4: Simplify right side
    15,123,202,221.40x = 343,066,868,144,036,839,424
  5. Step 5: Solve for x
    x = 343,066,868,144,036,839,424/15,123,202,221.40
  6. Step 6: Final answer
    x = 22,684,803,332.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.