Home / 18,413,971,357.32-25,411,232,677.73-10,275,689,439.45

Finding the Fourth Proportional to 18,413,971,357.32, 25,411,232,677.73 and 10,275,689,439.45

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Solution

The fourth proportional to 18,413,971,357.32, 25,411,232,677.73 and 10,275,689,439.45 is: 14,180,424,754.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413,971,357.32 : 25,411,232,677.73 = 10,275,689,439.45 : x
  2. Step 2: Convert to fraction form
    18,413,971,357.32/25,411,232,677.73 = 10,275,689,439.45/x
  3. Step 3: Cross multiply
    18,413,971,357.32x = 25,411,232,677.73 × 10,275,689,439.45
  4. Step 4: Simplify right side
    18,413,971,357.32x = 261,117,935,269,905,530,880
  5. Step 5: Solve for x
    x = 261,117,935,269,905,530,880/18,413,971,357.32
  6. Step 6: Final answer
    x = 14,180,424,754.82

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Double scale
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1.5x scale

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.