Home / 765,232,475.24-1,148,030,851.70-247,662,916.40

Finding the Fourth Proportional to 765,232,475.24, 1,148,030,851.70 and 247,662,916.40

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Solution

The fourth proportional to 765,232,475.24, 1,148,030,851.70 and 247,662,916.40 is: 371,553,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,232,475.24 : 1,148,030,851.70 = 247,662,916.40 : x
  2. Step 2: Convert to fraction form
    765,232,475.24/1,148,030,851.70 = 247,662,916.40/x
  3. Step 3: Cross multiply
    765,232,475.24x = 1,148,030,851.70 × 247,662,916.40
  4. Step 4: Simplify right side
    765,232,475.24x = 284,324,668,849,197,920
  5. Step 5: Solve for x
    x = 284,324,668,849,197,920/765,232,475.24
  6. Step 6: Final answer
    x = 371,553,322.75

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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.