Home / 28,266,191,335.20-42,399,287,002.80-9,654,702,362.40

Finding the Fourth Proportional to 28,266,191,335.20, 42,399,287,002.80 and 9,654,702,362.40

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Solution

The fourth proportional to 28,266,191,335.20, 42,399,287,002.80 and 9,654,702,362.40 is: 14,482,053,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266,191,335.20 : 42,399,287,002.80 = 9,654,702,362.40 : x
  2. Step 2: Convert to fraction form
    28,266,191,335.20/42,399,287,002.80 = 9,654,702,362.40/x
  3. Step 3: Cross multiply
    28,266,191,335.20x = 42,399,287,002.80 × 9,654,702,362.40
  4. Step 4: Simplify right side
    28,266,191,335.20x = 409,352,496,390,008,799,232
  5. Step 5: Solve for x
    x = 409,352,496,390,008,799,232/28,266,191,335.20
  6. Step 6: Final answer
    x = 14,482,053,543.60

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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.