Home / 910,332,343.44-1,256,262,589.89-492,644,663.82

Finding the Fourth Proportional to 910,332,343.44, 1,256,262,589.89 and 492,644,663.82

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Solution

The fourth proportional to 910,332,343.44, 1,256,262,589.89 and 492,644,663.82 is: 679,851,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,332,343.44 : 1,256,262,589.89 = 492,644,663.82 : x
  2. Step 2: Convert to fraction form
    910,332,343.44/1,256,262,589.89 = 492,644,663.82/x
  3. Step 3: Cross multiply
    910,332,343.44x = 1,256,262,589.89 × 492,644,663.82
  4. Step 4: Simplify right side
    910,332,343.44x = 618,891,061,266,001,664
  5. Step 5: Solve for x
    x = 618,891,061,266,001,664/910,332,343.44
  6. Step 6: Final answer
    x = 679,851,776.91

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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.