Home / 628,577,823.92-867,371,059.50-364,342,701.92

Finding the Fourth Proportional to 628,577,823.92, 867,371,059.50 and 364,342,701.92

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Solution

The fourth proportional to 628,577,823.92, 867,371,059.50 and 364,342,701.92 is: 502,754,477.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,577,823.92 : 867,371,059.50 = 364,342,701.92 : x
  2. Step 2: Convert to fraction form
    628,577,823.92/867,371,059.50 = 364,342,701.92/x
  3. Step 3: Cross multiply
    628,577,823.92x = 867,371,059.50 × 364,342,701.92
  4. Step 4: Simplify right side
    628,577,823.92x = 316,020,315,385,443,072
  5. Step 5: Solve for x
    x = 316,020,315,385,443,072/628,577,823.92
  6. Step 6: Final answer
    x = 502,754,477.42

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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.