Home / 923,920,066.88-1,385,426,602.08-457,042,063.04

Finding the Fourth Proportional to 923,920,066.88, 1,385,426,602.08 and 457,042,063.04

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Solution

The fourth proportional to 923,920,066.88, 1,385,426,602.08 and 457,042,063.04 is: 685,338,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,920,066.88 : 1,385,426,602.08 = 457,042,063.04 : x
  2. Step 2: Convert to fraction form
    923,920,066.88/1,385,426,602.08 = 457,042,063.04/x
  3. Step 3: Cross multiply
    923,920,066.88x = 1,385,426,602.08 × 457,042,063.04
  4. Step 4: Simplify right side
    923,920,066.88x = 633,198,232,405,140,352
  5. Step 5: Solve for x
    x = 633,198,232,405,140,352/923,920,066.88
  6. Step 6: Final answer
    x = 685,338,759.38

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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.