Home / 630,949,659.40-946,424,489.10-372,288,795.40

Finding the Fourth Proportional to 630,949,659.40, 946,424,489.10 and 372,288,795.40

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Solution

The fourth proportional to 630,949,659.40, 946,424,489.10 and 372,288,795.40 is: 558,433,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,949,659.40 : 946,424,489.10 = 372,288,795.40 : x
  2. Step 2: Convert to fraction form
    630,949,659.40/946,424,489.10 = 372,288,795.40/x
  3. Step 3: Cross multiply
    630,949,659.40x = 946,424,489.10 × 372,288,795.40
  4. Step 4: Simplify right side
    630,949,659.40x = 352,343,232,984,099,392
  5. Step 5: Solve for x
    x = 352,343,232,984,099,392/630,949,659.40
  6. Step 6: Final answer
    x = 558,433,193.10

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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.