Home / 621,630,374.53-931,985,876.20-375,932,386.46

Finding the Fourth Proportional to 621,630,374.53, 931,985,876.20 and 375,932,386.46

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Solution

The fourth proportional to 621,630,374.53, 931,985,876.20 and 375,932,386.46 is: 563,620,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,630,374.53 : 931,985,876.20 = 375,932,386.46 : x
  2. Step 2: Convert to fraction form
    621,630,374.53/931,985,876.20 = 375,932,386.46/x
  3. Step 3: Cross multiply
    621,630,374.53x = 931,985,876.20 × 375,932,386.46
  4. Step 4: Simplify right side
    621,630,374.53x = 350,363,674,582,220,160
  5. Step 5: Solve for x
    x = 350,363,674,582,220,160/621,630,374.53
  6. Step 6: Final answer
    x = 563,620,583.78

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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.