Home / 776,077,823.40-1,164,116,735.10-531,189,810.60

Finding the Fourth Proportional to 776,077,823.40, 1,164,116,735.10 and 531,189,810.60

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Solution

The fourth proportional to 776,077,823.40, 1,164,116,735.10 and 531,189,810.60 is: 796,784,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,077,823.40 : 1,164,116,735.10 = 531,189,810.60 : x
  2. Step 2: Convert to fraction form
    776,077,823.40/1,164,116,735.10 = 531,189,810.60/x
  3. Step 3: Cross multiply
    776,077,823.40x = 1,164,116,735.10 × 531,189,810.60
  4. Step 4: Simplify right side
    776,077,823.40x = 618,366,948,034,059,392
  5. Step 5: Solve for x
    x = 618,366,948,034,059,392/776,077,823.40
  6. Step 6: Final answer
    x = 796,784,715.90

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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.