Home / 896,778,961.20-1,345,735,312.20-528,313,201.20

Finding the Fourth Proportional to 896,778,961.20, 1,345,735,312.20 and 528,313,201.20

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Solution

The fourth proportional to 896,778,961.20, 1,345,735,312.20 and 528,313,201.20 is: 792,803,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,778,961.20 : 1,345,735,312.20 = 528,313,201.20 : x
  2. Step 2: Convert to fraction form
    896,778,961.20/1,345,735,312.20 = 528,313,201.20/x
  3. Step 3: Cross multiply
    896,778,961.20x = 1,345,735,312.20 × 528,313,201.20
  4. Step 4: Simplify right side
    896,778,961.20x = 710,969,730,756,263,424
  5. Step 5: Solve for x
    x = 710,969,730,756,263,424/896,778,961.20
  6. Step 6: Final answer
    x = 792,803,758.25

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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.