Home / 929,232,188.20-1,392,168,666.30-540,737,007.40

Finding the Fourth Proportional to 929,232,188.20, 1,392,168,666.30 and 540,737,007.40

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Solution

The fourth proportional to 929,232,188.20, 1,392,168,666.30 and 540,737,007.40 is: 810,128,112.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,232,188.20 : 1,392,168,666.30 = 540,737,007.40 : x
  2. Step 2: Convert to fraction form
    929,232,188.20/1,392,168,666.30 = 540,737,007.40/x
  3. Step 3: Cross multiply
    929,232,188.20x = 1,392,168,666.30 × 540,737,007.40
  4. Step 4: Simplify right side
    929,232,188.20x = 752,797,118,411,111,168
  5. Step 5: Solve for x
    x = 752,797,118,411,111,168/929,232,188.20
  6. Step 6: Final answer
    x = 810,128,112.19

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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.