Home / 872,069,245.35-1,307,576,986.50-347,519,044.95

Finding the Fourth Proportional to 872,069,245.35, 1,307,576,986.50 and 347,519,044.95

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Solution

The fourth proportional to 872,069,245.35, 1,307,576,986.50 and 347,519,044.95 is: 521,068,605.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,069,245.35 : 1,307,576,986.50 = 347,519,044.95 : x
  2. Step 2: Convert to fraction form
    872,069,245.35/1,307,576,986.50 = 347,519,044.95/x
  3. Step 3: Cross multiply
    872,069,245.35x = 1,307,576,986.50 × 347,519,044.95
  4. Step 4: Simplify right side
    872,069,245.35x = 454,407,905,547,079,040
  5. Step 5: Solve for x
    x = 454,407,905,547,079,040/872,069,245.35
  6. Step 6: Final answer
    x = 521,068,605.47

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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.