Home / 870,778,624.02-1,305,686,096.19-345,615,713.70

Finding the Fourth Proportional to 870,778,624.02, 1,305,686,096.19 and 345,615,713.70

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Solution

The fourth proportional to 870,778,624.02, 1,305,686,096.19 and 345,615,713.70 is: 518,232,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,778,624.02 : 1,305,686,096.19 = 345,615,713.70 : x
  2. Step 2: Convert to fraction form
    870,778,624.02/1,305,686,096.19 = 345,615,713.70/x
  3. Step 3: Cross multiply
    870,778,624.02x = 1,305,686,096.19 × 345,615,713.70
  4. Step 4: Simplify right side
    870,778,624.02x = 451,265,632,003,703,232
  5. Step 5: Solve for x
    x = 451,265,632,003,703,232/870,778,624.02
  6. Step 6: Final answer
    x = 518,232,326.28

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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.