Home / 838,470,541.80-1,257,939,137.76-365,810,943.56

Finding the Fourth Proportional to 838,470,541.80, 1,257,939,137.76 and 365,810,943.56

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Solution

The fourth proportional to 838,470,541.80, 1,257,939,137.76 and 365,810,943.56 is: 548,818,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,470,541.80 : 1,257,939,137.76 = 365,810,943.56 : x
  2. Step 2: Convert to fraction form
    838,470,541.80/1,257,939,137.76 = 365,810,943.56/x
  3. Step 3: Cross multiply
    838,470,541.80x = 1,257,939,137.76 × 365,810,943.56
  4. Step 4: Simplify right side
    838,470,541.80x = 460,167,902,925,038,400
  5. Step 5: Solve for x
    x = 460,167,902,925,038,400/838,470,541.80
  6. Step 6: Final answer
    x = 548,818,211.24

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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.