Home / 697,771,798.11-962,931,538.44-384,517,221.84

Finding the Fourth Proportional to 697,771,798.11, 962,931,538.44 and 384,517,221.84

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Solution

The fourth proportional to 697,771,798.11, 962,931,538.44 and 384,517,221.84 is: 530,637,324.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,771,798.11 : 962,931,538.44 = 384,517,221.84 : x
  2. Step 2: Convert to fraction form
    697,771,798.11/962,931,538.44 = 384,517,221.84/x
  3. Step 3: Cross multiply
    697,771,798.11x = 962,931,538.44 × 384,517,221.84
  4. Step 4: Simplify right side
    697,771,798.11x = 370,263,759,983,065,984
  5. Step 5: Solve for x
    x = 370,263,759,983,065,984/697,771,798.11
  6. Step 6: Final answer
    x = 530,637,324.39

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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.