Home / 1,154,339,111.07-1,592,945,296.34-625,691,746.98

Finding the Fourth Proportional to 1,154,339,111.07, 1,592,945,296.34 and 625,691,746.98

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Solution

The fourth proportional to 1,154,339,111.07, 1,592,945,296.34 and 625,691,746.98 is: 863,431,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,339,111.07 : 1,592,945,296.34 = 625,691,746.98 : x
  2. Step 2: Convert to fraction form
    1,154,339,111.07/1,592,945,296.34 = 625,691,746.98/x
  3. Step 3: Cross multiply
    1,154,339,111.07x = 1,592,945,296.34 × 625,691,746.98
  4. Step 4: Simplify right side
    1,154,339,111.07x = 996,692,725,307,420,032
  5. Step 5: Solve for x
    x = 996,692,725,307,420,032/1,154,339,111.07
  6. Step 6: Final answer
    x = 863,431,478.45

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Half scale
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Double scale
Find fourth proportional to 1,154,339,112.07, 1,592,945,297.71 and 625,691,747.98
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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.