Home / 1,378,401,681.24-1,902,896,746.02-1,064,431,062.36

Finding the Fourth Proportional to 1,378,401,681.24, 1,902,896,746.02 and 1,064,431,062.36

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Solution

The fourth proportional to 1,378,401,681.24, 1,902,896,746.02 and 1,064,431,062.36 is: 1,469,457,294.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,401,681.24 : 1,902,896,746.02 = 1,064,431,062.36 : x
  2. Step 2: Convert to fraction form
    1,378,401,681.24/1,902,896,746.02 = 1,064,431,062.36/x
  3. Step 3: Cross multiply
    1,378,401,681.24x = 1,902,896,746.02 × 1,064,431,062.36
  4. Step 4: Simplify right side
    1,378,401,681.24x = 2,025,502,404,927,455,744
  5. Step 5: Solve for x
    x = 2,025,502,404,927,455,744/1,378,401,681.24
  6. Step 6: Final answer
    x = 1,469,457,294.27

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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.