Home / 1,438,896,129.10-2,154,944,273.73-702,470,360.14

Finding the Fourth Proportional to 1,438,896,129.10, 2,154,944,273.73 and 702,470,360.14

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Solution

The fourth proportional to 1,438,896,129.10, 2,154,944,273.73 and 702,470,360.14 is: 1,052,045,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,896,129.10 : 2,154,944,273.73 = 702,470,360.14 : x
  2. Step 2: Convert to fraction form
    1,438,896,129.10/2,154,944,273.73 = 702,470,360.14/x
  3. Step 3: Cross multiply
    1,438,896,129.10x = 2,154,944,273.73 × 702,470,360.14
  4. Step 4: Simplify right side
    1,438,896,129.10x = 1,513,784,480,048,743,936
  5. Step 5: Solve for x
    x = 1,513,784,480,048,743,936/1,438,896,129.10
  6. Step 6: Final answer
    x = 1,052,045,696.30

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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.