Home / 778,676,317.90-1,074,505,226.78-461,079,587.41

Finding the Fourth Proportional to 778,676,317.90, 1,074,505,226.78 and 461,079,587.41

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Solution

The fourth proportional to 778,676,317.90, 1,074,505,226.78 and 461,079,587.41 is: 636,249,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,676,317.90 : 1,074,505,226.78 = 461,079,587.41 : x
  2. Step 2: Convert to fraction form
    778,676,317.90/1,074,505,226.78 = 461,079,587.41/x
  3. Step 3: Cross multiply
    778,676,317.90x = 1,074,505,226.78 × 461,079,587.41
  4. Step 4: Simplify right side
    778,676,317.90x = 495,432,426,632,077,376
  5. Step 5: Solve for x
    x = 495,432,426,632,077,376/778,676,317.90
  6. Step 6: Final answer
    x = 636,249,511.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.