Home / 21,301,428,266.90-31,952,142,400.35-9,669,247,658.90

Finding the Fourth Proportional to 21,301,428,266.90, 31,952,142,400.35 and 9,669,247,658.90

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Solution

The fourth proportional to 21,301,428,266.90, 31,952,142,400.35 and 9,669,247,658.90 is: 14,503,871,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,301,428,266.90 : 31,952,142,400.35 = 9,669,247,658.90 : x
  2. Step 2: Convert to fraction form
    21,301,428,266.90/31,952,142,400.35 = 9,669,247,658.90/x
  3. Step 3: Cross multiply
    21,301,428,266.90x = 31,952,142,400.35 × 9,669,247,658.90
  4. Step 4: Simplify right side
    21,301,428,266.90x = 308,953,178,101,423,669,248
  5. Step 5: Solve for x
    x = 308,953,178,101,423,669,248/21,301,428,266.90
  6. Step 6: Final answer
    x = 14,503,871,488.35

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Double scale
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Similar ratio
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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.