Home / 1,375,501,642.20-1,898,184,181.08-748,968,570

Finding the Fourth Proportional to 1,375,501,642.20, 1,898,184,181.08 and 748,968,570

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Solution

The fourth proportional to 1,375,501,642.20, 1,898,184,181.08 and 748,968,570 is: 1,033,572,224.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,501,642.20 : 1,898,184,181.08 = 748,968,570 : x
  2. Step 2: Convert to fraction form
    1,375,501,642.20/1,898,184,181.08 = 748,968,570/x
  3. Step 3: Cross multiply
    1,375,501,642.20x = 1,898,184,181.08 × 748,968,570
  4. Step 4: Simplify right side
    1,375,501,642.20x = 1,421,680,291,700,108,544
  5. Step 5: Solve for x
    x = 1,421,680,291,700,108,544/1,375,501,642.20
  6. Step 6: Final answer
    x = 1,033,572,224.19

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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.