Home / 1,262,833,868.32-1,742,722,014.39-698,356,945.72

Finding the Fourth Proportional to 1,262,833,868.32, 1,742,722,014.39 and 698,356,945.72

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Solution

The fourth proportional to 1,262,833,868.32, 1,742,722,014.39 and 698,356,945.72 is: 963,738,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,833,868.32 : 1,742,722,014.39 = 698,356,945.72 : x
  2. Step 2: Convert to fraction form
    1,262,833,868.32/1,742,722,014.39 = 698,356,945.72/x
  3. Step 3: Cross multiply
    1,262,833,868.32x = 1,742,722,014.39 × 698,356,945.72
  4. Step 4: Simplify right side
    1,262,833,868.32x = 1,217,042,023,208,406,528
  5. Step 5: Solve for x
    x = 1,217,042,023,208,406,528/1,262,833,868.32
  6. Step 6: Final answer
    x = 963,738,820.87

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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.