Home / 1,117,112,573.90-1,541,615,345.93-647,486,299.20

Finding the Fourth Proportional to 1,117,112,573.90, 1,541,615,345.93 and 647,486,299.20

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Solution

The fourth proportional to 1,117,112,573.90, 1,541,615,345.93 and 647,486,299.20 is: 893,531,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,112,573.90 : 1,541,615,345.93 = 647,486,299.20 : x
  2. Step 2: Convert to fraction form
    1,117,112,573.90/1,541,615,345.93 = 647,486,299.20/x
  3. Step 3: Cross multiply
    1,117,112,573.90x = 1,541,615,345.93 × 647,486,299.20
  4. Step 4: Simplify right side
    1,117,112,573.90x = 998,174,815,126,143,616
  5. Step 5: Solve for x
    x = 998,174,815,126,143,616/1,117,112,573.90
  6. Step 6: Final answer
    x = 893,531,089.39

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Double scale
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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.