Home / 1,687,986,041.52-2,531,749,211.70-444,312,358.89

Finding the Fourth Proportional to 1,687,986,041.52, 2,531,749,211.70 and 444,312,358.89

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Solution

The fourth proportional to 1,687,986,041.52, 2,531,749,211.70 and 444,312,358.89 is: 666,408,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,986,041.52 : 2,531,749,211.70 = 444,312,358.89 : x
  2. Step 2: Convert to fraction form
    1,687,986,041.52/2,531,749,211.70 = 444,312,358.89/x
  3. Step 3: Cross multiply
    1,687,986,041.52x = 2,531,749,211.70 × 444,312,358.89
  4. Step 4: Simplify right side
    1,687,986,041.52x = 1,124,887,464,368,324,864
  5. Step 5: Solve for x
    x = 1,124,887,464,368,324,864/1,687,986,041.52
  6. Step 6: Final answer
    x = 666,408,036.97

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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.