Home / 968,810,679.90-1,452,223,996.65-476,767,172.70

Finding the Fourth Proportional to 968,810,679.90, 1,452,223,996.65 and 476,767,172.70

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Solution

The fourth proportional to 968,810,679.90, 1,452,223,996.65 and 476,767,172.70 is: 714,662,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,810,679.90 : 1,452,223,996.65 = 476,767,172.70 : x
  2. Step 2: Convert to fraction form
    968,810,679.90/1,452,223,996.65 = 476,767,172.70/x
  3. Step 3: Cross multiply
    968,810,679.90x = 1,452,223,996.65 × 476,767,172.70
  4. Step 4: Simplify right side
    968,810,679.90x = 692,372,729,009,914,752
  5. Step 5: Solve for x
    x = 692,372,729,009,914,752/968,810,679.90
  6. Step 6: Final answer
    x = 714,662,568.63

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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.