Home / 1,272,113,385.48-1,908,212,593.50-351,912,665.16

Finding the Fourth Proportional to 1,272,113,385.48, 1,908,212,593.50 and 351,912,665.16

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Solution

The fourth proportional to 1,272,113,385.48, 1,908,212,593.50 and 351,912,665.16 is: 527,880,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,113,385.48 : 1,908,212,593.50 = 351,912,665.16 : x
  2. Step 2: Convert to fraction form
    1,272,113,385.48/1,908,212,593.50 = 351,912,665.16/x
  3. Step 3: Cross multiply
    1,272,113,385.48x = 1,908,212,593.50 × 351,912,665.16
  4. Step 4: Simplify right side
    1,272,113,385.48x = 671,524,179,470,460,800
  5. Step 5: Solve for x
    x = 671,524,179,470,460,800/1,272,113,385.48
  6. Step 6: Final answer
    x = 527,880,759.01

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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.