Home / 15,196,018,595.04-20,970,507,648.15-8,422,274,498.31

Finding the Fourth Proportional to 15,196,018,595.04, 20,970,507,648.15 and 8,422,274,498.31

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Solution

The fourth proportional to 15,196,018,595.04, 20,970,507,648.15 and 8,422,274,498.31 is: 11,622,739,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,018,595.04 : 20,970,507,648.15 = 8,422,274,498.31 : x
  2. Step 2: Convert to fraction form
    15,196,018,595.04/20,970,507,648.15 = 8,422,274,498.31/x
  3. Step 3: Cross multiply
    15,196,018,595.04x = 20,970,507,648.15 × 8,422,274,498.31
  4. Step 4: Simplify right side
    15,196,018,595.04x = 176,619,371,781,628,592,128
  5. Step 5: Solve for x
    x = 176,619,371,781,628,592,128/15,196,018,595.04
  6. Step 6: Final answer
    x = 11,622,739,908.94

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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.