Home / 1,091,136,421.30-1,636,704,631.95-746,762,653.30

Finding the Fourth Proportional to 1,091,136,421.30, 1,636,704,631.95 and 746,762,653.30

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Solution

The fourth proportional to 1,091,136,421.30, 1,636,704,631.95 and 746,762,653.30 is: 1,120,143,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,136,421.30 : 1,636,704,631.95 = 746,762,653.30 : x
  2. Step 2: Convert to fraction form
    1,091,136,421.30/1,636,704,631.95 = 746,762,653.30/x
  3. Step 3: Cross multiply
    1,091,136,421.30x = 1,636,704,631.95 × 746,762,653.30
  4. Step 4: Simplify right side
    1,091,136,421.30x = 1,222,229,893,623,382,016
  5. Step 5: Solve for x
    x = 1,222,229,893,623,382,016/1,091,136,421.30
  6. Step 6: Final answer
    x = 1,120,143,979.95

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.