Home / 15,551,019,460.08-21,452,500,695.87-9,445,747,362.08

Finding the Fourth Proportional to 15,551,019,460.08, 21,452,500,695.87 and 9,445,747,362.08

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Solution

The fourth proportional to 15,551,019,460.08, 21,452,500,695.87 and 9,445,747,362.08 is: 13,030,329,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551,019,460.08 : 21,452,500,695.87 = 9,445,747,362.08 : x
  2. Step 2: Convert to fraction form
    15,551,019,460.08/21,452,500,695.87 = 9,445,747,362.08/x
  3. Step 3: Cross multiply
    15,551,019,460.08x = 21,452,500,695.87 × 9,445,747,362.08
  4. Step 4: Simplify right side
    15,551,019,460.08x = 202,634,901,858,033,401,856
  5. Step 5: Solve for x
    x = 202,634,901,858,033,401,856/15,551,019,460.08
  6. Step 6: Final answer
    x = 13,030,329,129.11

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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.