Home / 691,995,308.16-954,956,055.04-374,455,555.68

Finding the Fourth Proportional to 691,995,308.16, 954,956,055.04 and 374,455,555.68

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Solution

The fourth proportional to 691,995,308.16, 954,956,055.04 and 374,455,555.68 is: 516,750,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,995,308.16 : 954,956,055.04 = 374,455,555.68 : x
  2. Step 2: Convert to fraction form
    691,995,308.16/954,956,055.04 = 374,455,555.68/x
  3. Step 3: Cross multiply
    691,995,308.16x = 954,956,055.04 × 374,455,555.68
  4. Step 4: Simplify right side
    691,995,308.16x = 357,588,600,239,983,872
  5. Step 5: Solve for x
    x = 357,588,600,239,983,872/691,995,308.16
  6. Step 6: Final answer
    x = 516,750,035.76

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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.