Home / 756,680,657.20-1,135,020,985.80-464,600,683.60

Finding the Fourth Proportional to 756,680,657.20, 1,135,020,985.80 and 464,600,683.60

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Solution

The fourth proportional to 756,680,657.20, 1,135,020,985.80 and 464,600,683.60 is: 696,901,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,680,657.20 : 1,135,020,985.80 = 464,600,683.60 : x
  2. Step 2: Convert to fraction form
    756,680,657.20/1,135,020,985.80 = 464,600,683.60/x
  3. Step 3: Cross multiply
    756,680,657.20x = 1,135,020,985.80 × 464,600,683.60
  4. Step 4: Simplify right side
    756,680,657.20x = 527,331,525,903,025,920
  5. Step 5: Solve for x
    x = 527,331,525,903,025,920/756,680,657.20
  6. Step 6: Final answer
    x = 696,901,025.40

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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.