Home / 801,626,555.68-1,200,398,575.20-528,168,274.72

Finding the Fourth Proportional to 801,626,555.68, 1,200,398,575.20 and 528,168,274.72

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Solution

The fourth proportional to 801,626,555.68, 1,200,398,575.20 and 528,168,274.72 is: 790,907,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,626,555.68 : 1,200,398,575.20 = 528,168,274.72 : x
  2. Step 2: Convert to fraction form
    801,626,555.68/1,200,398,575.20 = 528,168,274.72/x
  3. Step 3: Cross multiply
    801,626,555.68x = 1,200,398,575.20 × 528,168,274.72
  4. Step 4: Simplify right side
    801,626,555.68x = 634,012,444,439,730,176
  5. Step 5: Solve for x
    x = 634,012,444,439,730,176/801,626,555.68
  6. Step 6: Final answer
    x = 790,907,486.72

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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.