Home / 697,771,767.20-962,931,495.80-384,517,190.96

Finding the Fourth Proportional to 697,771,767.20, 962,931,495.80 and 384,517,190.96

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Solution

The fourth proportional to 697,771,767.20, 962,931,495.80 and 384,517,190.96 is: 530,637,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,771,767.20 : 962,931,495.80 = 384,517,190.96 : x
  2. Step 2: Convert to fraction form
    697,771,767.20/962,931,495.80 = 384,517,190.96/x
  3. Step 3: Cross multiply
    697,771,767.20x = 962,931,495.80 × 384,517,190.96
  4. Step 4: Simplify right side
    697,771,767.20x = 370,263,713,851,926,976
  5. Step 5: Solve for x
    x = 370,263,713,851,926,976/697,771,767.20
  6. Step 6: Final answer
    x = 530,637,281.78

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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.