Home / 870,505,080.60-1,304,057,009.70-524,430,701.40

Finding the Fourth Proportional to 870,505,080.60, 1,304,057,009.70 and 524,430,701.40

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Solution

The fourth proportional to 870,505,080.60, 1,304,057,009.70 and 524,430,701.40 is: 785,621,528.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,505,080.60 : 1,304,057,009.70 = 524,430,701.40 : x
  2. Step 2: Convert to fraction form
    870,505,080.60/1,304,057,009.70 = 524,430,701.40/x
  3. Step 3: Cross multiply
    870,505,080.60x = 1,304,057,009.70 × 524,430,701.40
  4. Step 4: Simplify right side
    870,505,080.60x = 683,887,532,262,557,568
  5. Step 5: Solve for x
    x = 683,887,532,262,557,568/870,505,080.60
  6. Step 6: Final answer
    x = 785,621,528.82

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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.