Home / 1,387,488,039.33-1,914,854,569.26-761,077,536.63

Finding the Fourth Proportional to 1,387,488,039.33, 1,914,854,569.26 and 761,077,536.63

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Solution

The fourth proportional to 1,387,488,039.33, 1,914,854,569.26 and 761,077,536.63 is: 1,050,353,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,488,039.33 : 1,914,854,569.26 = 761,077,536.63 : x
  2. Step 2: Convert to fraction form
    1,387,488,039.33/1,914,854,569.26 = 761,077,536.63/x
  3. Step 3: Cross multiply
    1,387,488,039.33x = 1,914,854,569.26 × 761,077,536.63
  4. Step 4: Simplify right side
    1,387,488,039.33x = 1,457,352,798,577,100,544
  5. Step 5: Solve for x
    x = 1,457,352,798,577,100,544/1,387,488,039.33
  6. Step 6: Final answer
    x = 1,050,353,413.70

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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.