Home / 1,307,431,065.30-1,804,189,661.50-742,841,370.96

Finding the Fourth Proportional to 1,307,431,065.30, 1,804,189,661.50 and 742,841,370.96

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Solution

The fourth proportional to 1,307,431,065.30, 1,804,189,661.50 and 742,841,370.96 is: 1,025,084,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,431,065.30 : 1,804,189,661.50 = 742,841,370.96 : x
  2. Step 2: Convert to fraction form
    1,307,431,065.30/1,804,189,661.50 = 742,841,370.96/x
  3. Step 3: Cross multiply
    1,307,431,065.30x = 1,804,189,661.50 × 742,841,370.96
  4. Step 4: Simplify right side
    1,307,431,065.30x = 1,340,226,721,620,518,400
  5. Step 5: Solve for x
    x = 1,340,226,721,620,518,400/1,307,431,065.30
  6. Step 6: Final answer
    x = 1,025,084,042.43

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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.