Home / 716,838,690.69-1,075,371,410.12-256,766,674.05

Finding the Fourth Proportional to 716,838,690.69, 1,075,371,410.12 and 256,766,674.05

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Solution

The fourth proportional to 716,838,690.69, 1,075,371,410.12 and 256,766,674.05 is: 385,190,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,838,690.69 : 1,075,371,410.12 = 256,766,674.05 : x
  2. Step 2: Convert to fraction form
    716,838,690.69/1,075,371,410.12 = 256,766,674.05/x
  3. Step 3: Cross multiply
    716,838,690.69x = 1,075,371,410.12 × 256,766,674.05
  4. Step 4: Simplify right side
    716,838,690.69x = 276,119,540,344,970,880
  5. Step 5: Solve for x
    x = 276,119,540,344,970,880/716,838,690.69
  6. Step 6: Final answer
    x = 385,190,620.89

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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.