Home / 1,581,537,617.02-2,372,280,018.72-385,025,939.11

Finding the Fourth Proportional to 1,581,537,617.02, 2,372,280,018.72 and 385,025,939.11

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Solution

The fourth proportional to 1,581,537,617.02, 2,372,280,018.72 and 385,025,939.11 is: 577,532,479.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,537,617.02 : 2,372,280,018.72 = 385,025,939.11 : x
  2. Step 2: Convert to fraction form
    1,581,537,617.02/2,372,280,018.72 = 385,025,939.11/x
  3. Step 3: Cross multiply
    1,581,537,617.02x = 2,372,280,018.72 × 385,025,939.11
  4. Step 4: Simplify right side
    1,581,537,617.02x = 913,389,342,039,556,352
  5. Step 5: Solve for x
    x = 913,389,342,039,556,352/1,581,537,617.02
  6. Step 6: Final answer
    x = 577,532,479.92

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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.