Home / 1,247,447,557.89-1,873,010,762.40-695,827,743.12

Finding the Fourth Proportional to 1,247,447,557.89, 1,873,010,762.40 and 695,827,743.12

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Solution

The fourth proportional to 1,247,447,557.89, 1,873,010,762.40 and 695,827,743.12 is: 1,044,767,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,447,557.89 : 1,873,010,762.40 = 695,827,743.12 : x
  2. Step 2: Convert to fraction form
    1,247,447,557.89/1,873,010,762.40 = 695,827,743.12/x
  3. Step 3: Cross multiply
    1,247,447,557.89x = 1,873,010,762.40 × 695,827,743.12
  4. Step 4: Simplify right side
    1,247,447,557.89x = 1,303,292,851,640,262,656
  5. Step 5: Solve for x
    x = 1,303,292,851,640,262,656/1,247,447,557.89
  6. Step 6: Final answer
    x = 1,044,767,648.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.