Home / 697,795,257.20-962,963,823.50-384,540,710.72

Finding the Fourth Proportional to 697,795,257.20, 962,963,823.50 and 384,540,710.72

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Solution

The fourth proportional to 697,795,257.20, 962,963,823.50 and 384,540,710.72 is: 530,669,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,795,257.20 : 962,963,823.50 = 384,540,710.72 : x
  2. Step 2: Convert to fraction form
    697,795,257.20/962,963,823.50 = 384,540,710.72/x
  3. Step 3: Cross multiply
    697,795,257.20x = 962,963,823.50 × 384,540,710.72
  4. Step 4: Simplify right side
    697,795,257.20x = 370,298,793,086,338,688
  5. Step 5: Solve for x
    x = 370,298,793,086,338,688/697,795,257.20
  6. Step 6: Final answer
    x = 530,669,690.38

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Double scale
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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.