Home / 28,266,194,261.20-42,399,291,391.80-9,654,705,288.40

Finding the Fourth Proportional to 28,266,194,261.20, 42,399,291,391.80 and 9,654,705,288.40

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Solution

The fourth proportional to 28,266,194,261.20, 42,399,291,391.80 and 9,654,705,288.40 is: 14,482,057,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266,194,261.20 : 42,399,291,391.80 = 9,654,705,288.40 : x
  2. Step 2: Convert to fraction form
    28,266,194,261.20/42,399,291,391.80 = 9,654,705,288.40/x
  3. Step 3: Cross multiply
    28,266,194,261.20x = 42,399,291,391.80 × 9,654,705,288.40
  4. Step 4: Simplify right side
    28,266,194,261.20x = 409,352,662,824,824,078,336
  5. Step 5: Solve for x
    x = 409,352,662,824,824,078,336/28,266,194,261.20
  6. Step 6: Final answer
    x = 14,482,057,932.60

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1.5x scale

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.