Home / 1,283,712,366.30-1,771,530,136.47-697,001,502.30

Finding the Fourth Proportional to 1,283,712,366.30, 1,771,530,136.47 and 697,001,502.30

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Solution

The fourth proportional to 1,283,712,366.30, 1,771,530,136.47 and 697,001,502.30 is: 961,865,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,712,366.30 : 1,771,530,136.47 = 697,001,502.30 : x
  2. Step 2: Convert to fraction form
    1,283,712,366.30/1,771,530,136.47 = 697,001,502.30/x
  3. Step 3: Cross multiply
    1,283,712,366.30x = 1,771,530,136.47 × 697,001,502.30
  4. Step 4: Simplify right side
    1,283,712,366.30x = 1,234,759,166,489,314,048
  5. Step 5: Solve for x
    x = 1,234,759,166,489,314,048/1,283,712,366.30
  6. Step 6: Final answer
    x = 961,865,912.41

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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.