Home / 1,375,501,632.57-1,898,184,167.64-748,968,560.37

Finding the Fourth Proportional to 1,375,501,632.57, 1,898,184,167.64 and 748,968,560.37

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Solution

The fourth proportional to 1,375,501,632.57, 1,898,184,167.64 and 748,968,560.37 is: 1,033,572,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,501,632.57 : 1,898,184,167.64 = 748,968,560.37 : x
  2. Step 2: Convert to fraction form
    1,375,501,632.57/1,898,184,167.64 = 748,968,560.37/x
  3. Step 3: Cross multiply
    1,375,501,632.57x = 1,898,184,167.64 × 748,968,560.37
  4. Step 4: Simplify right side
    1,375,501,632.57x = 1,421,680,263,354,457,600
  5. Step 5: Solve for x
    x = 1,421,680,263,354,457,600/1,375,501,632.57
  6. Step 6: Final answer
    x = 1,033,572,210.81

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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.