Home / 15,345,350,463.96-21,176,360,110.98-8,571,265,435.80

Finding the Fourth Proportional to 15,345,350,463.96, 21,176,360,110.98 and 8,571,265,435.80

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Solution

The fourth proportional to 15,345,350,463.96, 21,176,360,110.98 and 8,571,265,435.80 is: 11,828,221,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345,350,463.96 : 21,176,360,110.98 = 8,571,265,435.80 : x
  2. Step 2: Convert to fraction form
    15,345,350,463.96/21,176,360,110.98 = 8,571,265,435.80/x
  3. Step 3: Cross multiply
    15,345,350,463.96x = 21,176,360,110.98 × 8,571,265,435.80
  4. Step 4: Simplify right side
    15,345,350,463.96x = 181,508,203,475,296,714,752
  5. Step 5: Solve for x
    x = 181,508,203,475,296,714,752/15,345,350,463.96
  6. Step 6: Final answer
    x = 11,828,221,447.37

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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.