Home / 867,400,155.10-1,301,223,774.18-269,189,691.51

Finding the Fourth Proportional to 867,400,155.10, 1,301,223,774.18 and 269,189,691.51

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Solution

The fourth proportional to 867,400,155.10, 1,301,223,774.18 and 269,189,691.51 is: 403,822,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,400,155.10 : 1,301,223,774.18 = 269,189,691.51 : x
  2. Step 2: Convert to fraction form
    867,400,155.10/1,301,223,774.18 = 269,189,691.51/x
  3. Step 3: Cross multiply
    867,400,155.10x = 1,301,223,774.18 × 269,189,691.51
  4. Step 4: Simplify right side
    867,400,155.10x = 350,276,026,356,992,128
  5. Step 5: Solve for x
    x = 350,276,026,356,992,128/867,400,155.10
  6. Step 6: Final answer
    x = 403,822,877.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.