Home / 573,831,743.49-861,075,618.60-311,537,620.78

Finding the Fourth Proportional to 573,831,743.49, 861,075,618.60 and 311,537,620.78

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Solution

The fourth proportional to 573,831,743.49, 861,075,618.60 and 311,537,620.78 is: 467,484,506.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,831,743.49 : 861,075,618.60 = 311,537,620.78 : x
  2. Step 2: Convert to fraction form
    573,831,743.49/861,075,618.60 = 311,537,620.78/x
  3. Step 3: Cross multiply
    573,831,743.49x = 861,075,618.60 × 311,537,620.78
  4. Step 4: Simplify right side
    573,831,743.49x = 268,257,449,528,008,352
  5. Step 5: Solve for x
    x = 268,257,449,528,008,352/573,831,743.49
  6. Step 6: Final answer
    x = 467,484,506.69

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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.