Home / 580,294,457.40-869,874,815.70-519,072,454.20

Finding the Fourth Proportional to 580,294,457.40, 869,874,815.70 and 519,072,454.20

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Solution

The fourth proportional to 580,294,457.40, 869,874,815.70 and 519,072,454.20 is: 778,101,616.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,294,457.40 : 869,874,815.70 = 519,072,454.20 : x
  2. Step 2: Convert to fraction form
    580,294,457.40/869,874,815.70 = 519,072,454.20/x
  3. Step 3: Cross multiply
    580,294,457.40x = 869,874,815.70 × 519,072,454.20
  4. Step 4: Simplify right side
    580,294,457.40x = 451,528,055,432,171,712
  5. Step 5: Solve for x
    x = 451,528,055,432,171,712/580,294,457.40
  6. Step 6: Final answer
    x = 778,101,616.64

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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.