Home / 1,312,759,856,435.20-1,969,812,944,139-633,417,575,920.47

Finding the Fourth Proportional to 1,312,759,856,435.20, 1,969,812,944,139 and 633,417,575,920.47

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Solution

The fourth proportional to 1,312,759,856,435.20, 1,969,812,944,139 and 633,417,575,920.47 is: 950,451,168,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,759,856,435.20 : 1,969,812,944,139 = 633,417,575,920.47 : x
  2. Step 2: Convert to fraction form
    1,312,759,856,435.20/1,969,812,944,139 = 633,417,575,920.47/x
  3. Step 3: Cross multiply
    1,312,759,856,435.20x = 1,969,812,944,139 × 633,417,575,920.47
  4. Step 4: Simplify right side
    1,312,759,856,435.20x = 1,247,714,140,093,289,527,771,136
  5. Step 5: Solve for x
    x = 1,247,714,140,093,289,527,771,136/1,312,759,856,435.20
  6. Step 6: Final answer
    x = 950,451,168,945.29

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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.