Home / 486,425,416.32-729,487,219.70-175,492,611.50

Finding the Fourth Proportional to 486,425,416.32, 729,487,219.70 and 175,492,611.50

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Solution

The fourth proportional to 486,425,416.32, 729,487,219.70 and 175,492,611.50 is: 263,184,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,425,416.32 : 729,487,219.70 = 175,492,611.50 : x
  2. Step 2: Convert to fraction form
    486,425,416.32/729,487,219.70 = 175,492,611.50/x
  3. Step 3: Cross multiply
    486,425,416.32x = 729,487,219.70 × 175,492,611.50
  4. Step 4: Simplify right side
    486,425,416.32x = 128,019,617,241,027,248
  5. Step 5: Solve for x
    x = 128,019,617,241,027,248/486,425,416.32
  6. Step 6: Final answer
    x = 263,184,473.81

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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.