Home / 560,146,539.40-840,219,809.10-396,568,999.60

Finding the Fourth Proportional to 560,146,539.40, 840,219,809.10 and 396,568,999.60

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Solution

The fourth proportional to 560,146,539.40, 840,219,809.10 and 396,568,999.60 is: 594,853,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,146,539.40 : 840,219,809.10 = 396,568,999.60 : x
  2. Step 2: Convert to fraction form
    560,146,539.40/840,219,809.10 = 396,568,999.60/x
  3. Step 3: Cross multiply
    560,146,539.40x = 840,219,809.10 × 396,568,999.60
  4. Step 4: Simplify right side
    560,146,539.40x = 333,205,129,138,889,984
  5. Step 5: Solve for x
    x = 333,205,129,138,889,984/560,146,539.40
  6. Step 6: Final answer
    x = 594,853,499.40

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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.