Home / 910,816,471.24-1,256,911,488.66-493,125,365.32

Finding the Fourth Proportional to 910,816,471.24, 1,256,911,488.66 and 493,125,365.32

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Solution

The fourth proportional to 910,816,471.24, 1,256,911,488.66 and 493,125,365.32 is: 680,504,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,816,471.24 : 1,256,911,488.66 = 493,125,365.32 : x
  2. Step 2: Convert to fraction form
    910,816,471.24/1,256,911,488.66 = 493,125,365.32/x
  3. Step 3: Cross multiply
    910,816,471.24x = 1,256,911,488.66 × 493,125,365.32
  4. Step 4: Simplify right side
    910,816,471.24x = 619,814,937,020,367,616
  5. Step 5: Solve for x
    x = 619,814,937,020,367,616/910,816,471.24
  6. Step 6: Final answer
    x = 680,504,752.16

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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.