Home / 697,795,255.95-962,963,821.76-384,540,709.47

Finding the Fourth Proportional to 697,795,255.95, 962,963,821.76 and 384,540,709.47

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Solution

The fourth proportional to 697,795,255.95, 962,963,821.76 and 384,540,709.47 is: 530,669,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,795,255.95 : 962,963,821.76 = 384,540,709.47 : x
  2. Step 2: Convert to fraction form
    697,795,255.95/962,963,821.76 = 384,540,709.47/x
  3. Step 3: Cross multiply
    697,795,255.95x = 962,963,821.76 × 384,540,709.47
  4. Step 4: Simplify right side
    697,795,255.95x = 370,298,791,211,610,368
  5. Step 5: Solve for x
    x = 370,298,791,211,610,368/697,795,255.95
  6. Step 6: Final answer
    x = 530,669,688.64

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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.