Home / 709,971,316.74-1,065,071,410.38-218,684,358.18

Finding the Fourth Proportional to 709,971,316.74, 1,065,071,410.38 and 218,684,358.18

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Solution

The fourth proportional to 709,971,316.74, 1,065,071,410.38 and 218,684,358.18 is: 328,061,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,971,316.74 : 1,065,071,410.38 = 218,684,358.18 : x
  2. Step 2: Convert to fraction form
    709,971,316.74/1,065,071,410.38 = 218,684,358.18/x
  3. Step 3: Cross multiply
    709,971,316.74x = 1,065,071,410.38 × 218,684,358.18
  4. Step 4: Simplify right side
    709,971,316.74x = 232,914,457,794,817,696
  5. Step 5: Solve for x
    x = 232,914,457,794,817,696/709,971,316.74
  6. Step 6: Final answer
    x = 328,061,785.46

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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.