Home / 460,335,478.52-690,939,763.38-284,927,920.04

Finding the Fourth Proportional to 460,335,478.52, 690,939,763.38 and 284,927,920.04

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Solution

The fourth proportional to 460,335,478.52, 690,939,763.38 and 284,927,920.04 is: 427,662,083.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,335,478.52 : 690,939,763.38 = 284,927,920.04 : x
  2. Step 2: Convert to fraction form
    460,335,478.52/690,939,763.38 = 284,927,920.04/x
  3. Step 3: Cross multiply
    460,335,478.52x = 690,939,763.38 × 284,927,920.04
  4. Step 4: Simplify right side
    460,335,478.52x = 196,868,029,652,793,184
  5. Step 5: Solve for x
    x = 196,868,029,652,793,184/460,335,478.52
  6. Step 6: Final answer
    x = 427,662,083.07

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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.