Home / 682,738,317.90-942,181,751.16-369,472,547.16

Finding the Fourth Proportional to 682,738,317.90, 942,181,751.16 and 369,472,547.16

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Solution

The fourth proportional to 682,738,317.90, 942,181,751.16 and 369,472,547.16 is: 509,873,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,738,317.90 : 942,181,751.16 = 369,472,547.16 : x
  2. Step 2: Convert to fraction form
    682,738,317.90/942,181,751.16 = 369,472,547.16/x
  3. Step 3: Cross multiply
    682,738,317.90x = 942,181,751.16 × 369,472,547.16
  4. Step 4: Simplify right side
    682,738,317.90x = 348,110,291,488,754,496
  5. Step 5: Solve for x
    x = 348,110,291,488,754,496/682,738,317.90
  6. Step 6: Final answer
    x = 509,873,669.55

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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.