Home / 774,130,576.80-1,161,195,865.20-715,008,093.60

Finding the Fourth Proportional to 774,130,576.80, 1,161,195,865.20 and 715,008,093.60

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Solution

The fourth proportional to 774,130,576.80, 1,161,195,865.20 and 715,008,093.60 is: 1,072,512,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,130,576.80 : 1,161,195,865.20 = 715,008,093.60 : x
  2. Step 2: Convert to fraction form
    774,130,576.80/1,161,195,865.20 = 715,008,093.60/x
  3. Step 3: Cross multiply
    774,130,576.80x = 1,161,195,865.20 × 715,008,093.60
  4. Step 4: Simplify right side
    774,130,576.80x = 830,264,441,872,854,656
  5. Step 5: Solve for x
    x = 830,264,441,872,854,656/774,130,576.80
  6. Step 6: Final answer
    x = 1,072,512,140.40

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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.