Home / 15,345,350,465.96-21,176,360,113.74-8,571,265,437.80

Finding the Fourth Proportional to 15,345,350,465.96, 21,176,360,113.74 and 8,571,265,437.80

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Solution

The fourth proportional to 15,345,350,465.96, 21,176,360,113.74 and 8,571,265,437.80 is: 11,828,221,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345,350,465.96 : 21,176,360,113.74 = 8,571,265,437.80 : x
  2. Step 2: Convert to fraction form
    15,345,350,465.96/21,176,360,113.74 = 8,571,265,437.80/x
  3. Step 3: Cross multiply
    15,345,350,465.96x = 21,176,360,113.74 × 8,571,265,437.80
  4. Step 4: Simplify right side
    15,345,350,465.96x = 181,508,203,541,306,146,816
  5. Step 5: Solve for x
    x = 181,508,203,541,306,146,816/15,345,350,465.96
  6. Step 6: Final answer
    x = 11,828,221,450.13

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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.