Home / 716,838,689.69-1,075,371,408.62-256,766,673.05

Finding the Fourth Proportional to 716,838,689.69, 1,075,371,408.62 and 256,766,673.05

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Solution

The fourth proportional to 716,838,689.69, 1,075,371,408.62 and 256,766,673.05 is: 385,190,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,838,689.69 : 1,075,371,408.62 = 256,766,673.05 : x
  2. Step 2: Convert to fraction form
    716,838,689.69/1,075,371,408.62 = 256,766,673.05/x
  3. Step 3: Cross multiply
    716,838,689.69x = 1,075,371,408.62 × 256,766,673.05
  4. Step 4: Simplify right side
    716,838,689.69x = 276,119,538,884,449,472
  5. Step 5: Solve for x
    x = 276,119,538,884,449,472/716,838,689.69
  6. Step 6: Final answer
    x = 385,190,619.39

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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.