Home / 876,103,013.80-1,314,154,520.70-531,445,810.60

Finding the Fourth Proportional to 876,103,013.80, 1,314,154,520.70 and 531,445,810.60

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Solution

The fourth proportional to 876,103,013.80, 1,314,154,520.70 and 531,445,810.60 is: 797,168,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,103,013.80 : 1,314,154,520.70 = 531,445,810.60 : x
  2. Step 2: Convert to fraction form
    876,103,013.80/1,314,154,520.70 = 531,445,810.60/x
  3. Step 3: Cross multiply
    876,103,013.80x = 1,314,154,520.70 × 531,445,810.60
  4. Step 4: Simplify right side
    876,103,013.80x = 698,401,914,507,065,984
  5. Step 5: Solve for x
    x = 698,401,914,507,065,984/876,103,013.80
  6. Step 6: Final answer
    x = 797,168,715.90

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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.