Home / 15,321,864,523.88-21,144,182,111.10-8,547,683,126.40

Finding the Fourth Proportional to 15,321,864,523.88, 21,144,182,111.10 and 8,547,683,126.40

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Solution

The fourth proportional to 15,321,864,523.88, 21,144,182,111.10 and 8,547,683,126.40 is: 11,795,807,773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,321,864,523.88 : 21,144,182,111.10 = 8,547,683,126.40 : x
  2. Step 2: Convert to fraction form
    15,321,864,523.88/21,144,182,111.10 = 8,547,683,126.40/x
  3. Step 3: Cross multiply
    15,321,864,523.88x = 21,144,182,111.10 × 8,547,683,126.40
  4. Step 4: Simplify right side
    15,321,864,523.88x = 180,733,768,652,578,193,408
  5. Step 5: Solve for x
    x = 180,733,768,652,578,193,408/15,321,864,523.88
  6. Step 6: Final answer
    x = 11,795,807,773.33

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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.