Home / 472,392,783.45-708,589,175.18-230,528,079.45

Finding the Fourth Proportional to 472,392,783.45, 708,589,175.18 and 230,528,079.45

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Solution

The fourth proportional to 472,392,783.45, 708,589,175.18 and 230,528,079.45 is: 345,792,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,783.45 : 708,589,175.18 = 230,528,079.45 : x
  2. Step 2: Convert to fraction form
    472,392,783.45/708,589,175.18 = 230,528,079.45/x
  3. Step 3: Cross multiply
    472,392,783.45x = 708,589,175.18 × 230,528,079.45
  4. Step 4: Simplify right side
    472,392,783.45x = 163,349,701,672,152,352
  5. Step 5: Solve for x
    x = 163,349,701,672,152,352/472,392,783.45
  6. Step 6: Final answer
    x = 345,792,119.18

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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.