Home / 1,247,447,557.71-1,873,010,762.13-695,827,742.94

Finding the Fourth Proportional to 1,247,447,557.71, 1,873,010,762.13 and 695,827,742.94

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Solution

The fourth proportional to 1,247,447,557.71, 1,873,010,762.13 and 695,827,742.94 is: 1,044,767,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,447,557.71 : 1,873,010,762.13 = 695,827,742.94 : x
  2. Step 2: Convert to fraction form
    1,247,447,557.71/1,873,010,762.13 = 695,827,742.94/x
  3. Step 3: Cross multiply
    1,247,447,557.71x = 1,873,010,762.13 × 695,827,742.94
  4. Step 4: Simplify right side
    1,247,447,557.71x = 1,303,292,851,115,247,360
  5. Step 5: Solve for x
    x = 1,303,292,851,115,247,360/1,247,447,557.71
  6. Step 6: Final answer
    x = 1,044,767,648.19

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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.