Home / 910,816,458.24-1,256,911,470.72-493,125,352.32

Finding the Fourth Proportional to 910,816,458.24, 1,256,911,470.72 and 493,125,352.32

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Solution

The fourth proportional to 910,816,458.24, 1,256,911,470.72 and 493,125,352.32 is: 680,504,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,816,458.24 : 1,256,911,470.72 = 493,125,352.32 : x
  2. Step 2: Convert to fraction form
    910,816,458.24/1,256,911,470.72 = 493,125,352.32/x
  3. Step 3: Cross multiply
    910,816,458.24x = 1,256,911,470.72 × 493,125,352.32
  4. Step 4: Simplify right side
    910,816,458.24x = 619,814,911,833,849,344
  5. Step 5: Solve for x
    x = 619,814,911,833,849,344/910,816,458.24
  6. Step 6: Final answer
    x = 680,504,734.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.