Home / 807,770,323.95-1,114,533,189.75-490,223,531.55

Finding the Fourth Proportional to 807,770,323.95, 1,114,533,189.75 and 490,223,531.55

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Solution

The fourth proportional to 807,770,323.95, 1,114,533,189.75 and 490,223,531.55 is: 676,393,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,770,323.95 : 1,114,533,189.75 = 490,223,531.55 : x
  2. Step 2: Convert to fraction form
    807,770,323.95/1,114,533,189.75 = 490,223,531.55/x
  3. Step 3: Cross multiply
    807,770,323.95x = 1,114,533,189.75 × 490,223,531.55
  4. Step 4: Simplify right side
    807,770,323.95x = 546,370,396,308,931,264
  5. Step 5: Solve for x
    x = 546,370,396,308,931,264/807,770,323.95
  6. Step 6: Final answer
    x = 676,393,252.03

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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.