Home / 18,415,230,832.12-25,411,975,133.70-10,386,091,477.12

Finding the Fourth Proportional to 18,415,230,832.12, 25,411,975,133.70 and 10,386,091,477.12

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Solution

The fourth proportional to 18,415,230,832.12, 25,411,975,133.70 and 10,386,091,477.12 is: 14,332,217,758.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,415,230,832.12 : 25,411,975,133.70 = 10,386,091,477.12 : x
  2. Step 2: Convert to fraction form
    18,415,230,832.12/25,411,975,133.70 = 10,386,091,477.12/x
  3. Step 3: Cross multiply
    18,415,230,832.12x = 25,411,975,133.70 × 10,386,091,477.12
  4. Step 4: Simplify right side
    18,415,230,832.12x = 263,931,098,352,906,960,896
  5. Step 5: Solve for x
    x = 263,931,098,352,906,960,896/18,415,230,832.12
  6. Step 6: Final answer
    x = 14,332,217,758.17

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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.