Home / 722,437,031.57-997,045,806.65-404,983,017.86

Finding the Fourth Proportional to 722,437,031.57, 997,045,806.65 and 404,983,017.86

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Solution

The fourth proportional to 722,437,031.57, 997,045,806.65 and 404,983,017.86 is: 558,922,926.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,437,031.57 : 997,045,806.65 = 404,983,017.86 : x
  2. Step 2: Convert to fraction form
    722,437,031.57/997,045,806.65 = 404,983,017.86/x
  3. Step 3: Cross multiply
    722,437,031.57x = 997,045,806.65 × 404,983,017.86
  4. Step 4: Simplify right side
    722,437,031.57x = 403,786,619,714,764,928
  5. Step 5: Solve for x
    x = 403,786,619,714,764,928/722,437,031.57
  6. Step 6: Final answer
    x = 558,922,926.25

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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.