Home / 472,362,658.40-708,543,987.60-268,289,314.40

Finding the Fourth Proportional to 472,362,658.40, 708,543,987.60 and 268,289,314.40

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Solution

The fourth proportional to 472,362,658.40, 708,543,987.60 and 268,289,314.40 is: 402,433,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,362,658.40 : 708,543,987.60 = 268,289,314.40 : x
  2. Step 2: Convert to fraction form
    472,362,658.40/708,543,987.60 = 268,289,314.40/x
  3. Step 3: Cross multiply
    472,362,658.40x = 708,543,987.60 × 268,289,314.40
  4. Step 4: Simplify right side
    472,362,658.40x = 190,094,780,655,446,112
  5. Step 5: Solve for x
    x = 190,094,780,655,446,112/472,362,658.40
  6. Step 6: Final answer
    x = 402,433,971.60

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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.