Home / 1,375,501,637.70-1,898,184,174.87-748,968,565.50

Finding the Fourth Proportional to 1,375,501,637.70, 1,898,184,174.87 and 748,968,565.50

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Solution

The fourth proportional to 1,375,501,637.70, 1,898,184,174.87 and 748,968,565.50 is: 1,033,572,217.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,501,637.70 : 1,898,184,174.87 = 748,968,565.50 : x
  2. Step 2: Convert to fraction form
    1,375,501,637.70/1,898,184,174.87 = 748,968,565.50/x
  3. Step 3: Cross multiply
    1,375,501,637.70x = 1,898,184,174.87 × 748,968,565.50
  4. Step 4: Simplify right side
    1,375,501,637.70x = 1,421,680,278,507,184,896
  5. Step 5: Solve for x
    x = 1,421,680,278,507,184,896/1,375,501,637.70
  6. Step 6: Final answer
    x = 1,033,572,217.98

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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.