Home / 469,794,817,949.20-704,692,226,923.80-418,426,338,000.40

Finding the Fourth Proportional to 469,794,817,949.20, 704,692,226,923.80 and 418,426,338,000.40

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Solution

The fourth proportional to 469,794,817,949.20, 704,692,226,923.80 and 418,426,338,000.40 is: 627,639,507,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,794,817,949.20 : 704,692,226,923.80 = 418,426,338,000.40 : x
  2. Step 2: Convert to fraction form
    469,794,817,949.20/704,692,226,923.80 = 418,426,338,000.40/x
  3. Step 3: Cross multiply
    469,794,817,949.20x = 704,692,226,923.80 × 418,426,338,000.40
  4. Step 4: Simplify right side
    469,794,817,949.20x = 294,861,787,929,072,539,533,312
  5. Step 5: Solve for x
    x = 294,861,787,929,072,539,533,312/469,794,817,949.20
  6. Step 6: Final answer
    x = 627,639,507,000.60

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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.