Home / 716,736,142.20-1,075,303,278.90-307,988,110.20

Finding the Fourth Proportional to 716,736,142.20, 1,075,303,278.90 and 307,988,110.20

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Solution

The fourth proportional to 716,736,142.20, 1,075,303,278.90 and 307,988,110.20 is: 462,067,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,736,142.20 : 1,075,303,278.90 = 307,988,110.20 : x
  2. Step 2: Convert to fraction form
    716,736,142.20/1,075,303,278.90 = 307,988,110.20/x
  3. Step 3: Cross multiply
    716,736,142.20x = 1,075,303,278.90 × 307,988,110.20
  4. Step 4: Simplify right side
    716,736,142.20x = 331,180,624,760,274,560
  5. Step 5: Solve for x
    x = 331,180,624,760,274,560/716,736,142.20
  6. Step 6: Final answer
    x = 462,067,705.62

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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.