Home / 1,267,889,194.47-1,749,689,146.71-703,374,090.71

Finding the Fourth Proportional to 1,267,889,194.47, 1,749,689,146.71 and 703,374,090.71

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Solution

The fourth proportional to 1,267,889,194.47, 1,749,689,146.71 and 703,374,090.71 is: 970,657,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,889,194.47 : 1,749,689,146.71 = 703,374,090.71 : x
  2. Step 2: Convert to fraction form
    1,267,889,194.47/1,749,689,146.71 = 703,374,090.71/x
  3. Step 3: Cross multiply
    1,267,889,194.47x = 1,749,689,146.71 × 703,374,090.71
  4. Step 4: Simplify right side
    1,267,889,194.47x = 1,230,686,012,583,553,792
  5. Step 5: Solve for x
    x = 1,230,686,012,583,553,792/1,267,889,194.47
  6. Step 6: Final answer
    x = 970,657,387.06

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Double scale
Find fourth proportional to 1,267,889,195.47, 1,749,689,148.09 and 703,374,091.71
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1.5x scale

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.