Home / 813,730,868-1,220,597,526.72-376,793,462.24

Finding the Fourth Proportional to 813,730,868, 1,220,597,526.72 and 376,793,462.24

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Solution

The fourth proportional to 813,730,868, 1,220,597,526.72 and 376,793,462.24 is: 565,190,760.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,730,868 : 1,220,597,526.72 = 376,793,462.24 : x
  2. Step 2: Convert to fraction form
    813,730,868/1,220,597,526.72 = 376,793,462.24/x
  3. Step 3: Cross multiply
    813,730,868x = 1,220,597,526.72 × 376,793,462.24
  4. Step 4: Simplify right side
    813,730,868x = 459,913,168,094,409,728
  5. Step 5: Solve for x
    x = 459,913,168,094,409,728/813,730,868
  6. Step 6: Final answer
    x = 565,190,760.46

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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.