Home / 15,116,556,442.40-22,674,834,663.60-13,181,638,810.40

Finding the Fourth Proportional to 15,116,556,442.40, 22,674,834,663.60 and 13,181,638,810.40

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Solution

The fourth proportional to 15,116,556,442.40, 22,674,834,663.60 and 13,181,638,810.40 is: 19,772,458,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,116,556,442.40 : 22,674,834,663.60 = 13,181,638,810.40 : x
  2. Step 2: Convert to fraction form
    15,116,556,442.40/22,674,834,663.60 = 13,181,638,810.40/x
  3. Step 3: Cross multiply
    15,116,556,442.40x = 22,674,834,663.60 × 13,181,638,810.40
  4. Step 4: Simplify right side
    15,116,556,442.40x = 298,891,480,621,112,950,784
  5. Step 5: Solve for x
    x = 298,891,480,621,112,950,784/15,116,556,442.40
  6. Step 6: Final answer
    x = 19,772,458,215.60

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Double scale
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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.