Home / 1,581,537,616.02-2,372,280,017.22-385,025,938.11

Finding the Fourth Proportional to 1,581,537,616.02, 2,372,280,017.22 and 385,025,938.11

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Solution

The fourth proportional to 1,581,537,616.02, 2,372,280,017.22 and 385,025,938.11 is: 577,532,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,537,616.02 : 2,372,280,017.22 = 385,025,938.11 : x
  2. Step 2: Convert to fraction form
    1,581,537,616.02/2,372,280,017.22 = 385,025,938.11/x
  3. Step 3: Cross multiply
    1,581,537,616.02x = 2,372,280,017.22 × 385,025,938.11
  4. Step 4: Simplify right side
    1,581,537,616.02x = 913,389,339,089,737,344
  5. Step 5: Solve for x
    x = 913,389,339,089,737,344/1,581,537,616.02
  6. Step 6: Final answer
    x = 577,532,478.42

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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.