Home / 28,266,194,312.20-42,399,291,468.30-9,654,705,339.40

Finding the Fourth Proportional to 28,266,194,312.20, 42,399,291,468.30 and 9,654,705,339.40

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Solution

The fourth proportional to 28,266,194,312.20, 42,399,291,468.30 and 9,654,705,339.40 is: 14,482,058,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266,194,312.20 : 42,399,291,468.30 = 9,654,705,339.40 : x
  2. Step 2: Convert to fraction form
    28,266,194,312.20/42,399,291,468.30 = 9,654,705,339.40/x
  3. Step 3: Cross multiply
    28,266,194,312.20x = 42,399,291,468.30 × 9,654,705,339.40
  4. Step 4: Simplify right side
    28,266,194,312.20x = 409,352,665,725,772,890,112
  5. Step 5: Solve for x
    x = 409,352,665,725,772,890,112/28,266,194,312.20
  6. Step 6: Final answer
    x = 14,482,058,009.10

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Double scale
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Similar ratio
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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.