Home / 697,795,270.20-962,963,841.42-384,540,723.72

Finding the Fourth Proportional to 697,795,270.20, 962,963,841.42 and 384,540,723.72

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Solution

The fourth proportional to 697,795,270.20, 962,963,841.42 and 384,540,723.72 is: 530,669,708.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,795,270.20 : 962,963,841.42 = 384,540,723.72 : x
  2. Step 2: Convert to fraction form
    697,795,270.20/962,963,841.42 = 384,540,723.72/x
  3. Step 3: Cross multiply
    697,795,270.20x = 962,963,841.42 × 384,540,723.72
  4. Step 4: Simplify right side
    697,795,270.20x = 370,298,812,495,838,144
  5. Step 5: Solve for x
    x = 370,298,812,495,838,144/697,795,270.20
  6. Step 6: Final answer
    x = 530,669,708.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.