Home / 910,332,051.07-1,256,262,188.96-492,644,373.07

Finding the Fourth Proportional to 910,332,051.07, 1,256,262,188.96 and 492,644,373.07

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Solution

The fourth proportional to 910,332,051.07, 1,256,262,188.96 and 492,644,373.07 is: 679,851,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,332,051.07 : 1,256,262,188.96 = 492,644,373.07 : x
  2. Step 2: Convert to fraction form
    910,332,051.07/1,256,262,188.96 = 492,644,373.07/x
  3. Step 3: Cross multiply
    910,332,051.07x = 1,256,262,188.96 × 492,644,373.07
  4. Step 4: Simplify right side
    910,332,051.07x = 618,890,498,489,281,792
  5. Step 5: Solve for x
    x = 618,890,498,489,281,792/910,332,051.07
  6. Step 6: Final answer
    x = 679,851,377.05

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Double scale
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1.5x scale

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.