Home / 697,771,806.75-962,931,550.35-384,517,230.48

Finding the Fourth Proportional to 697,771,806.75, 962,931,550.35 and 384,517,230.48

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Solution

The fourth proportional to 697,771,806.75, 962,931,550.35 and 384,517,230.48 is: 530,637,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,771,806.75 : 962,931,550.35 = 384,517,230.48 : x
  2. Step 2: Convert to fraction form
    697,771,806.75/962,931,550.35 = 384,517,230.48/x
  3. Step 3: Cross multiply
    697,771,806.75x = 962,931,550.35 × 384,517,230.48
  4. Step 4: Simplify right side
    697,771,806.75x = 370,263,772,882,394,688
  5. Step 5: Solve for x
    x = 370,263,772,882,394,688/697,771,806.75
  6. Step 6: Final answer
    x = 530,637,336.30

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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.