Home / 1,027,686,653.25-1,418,208,631.09-557,788,071.08

Finding the Fourth Proportional to 1,027,686,653.25, 1,418,208,631.09 and 557,788,071.08

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Solution

The fourth proportional to 1,027,686,653.25, 1,418,208,631.09 and 557,788,071.08 is: 769,748,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,686,653.25 : 1,418,208,631.09 = 557,788,071.08 : x
  2. Step 2: Convert to fraction form
    1,027,686,653.25/1,418,208,631.09 = 557,788,071.08/x
  3. Step 3: Cross multiply
    1,027,686,653.25x = 1,418,208,631.09 × 557,788,071.08
  4. Step 4: Simplify right side
    1,027,686,653.25x = 791,059,856,728,484,352
  5. Step 5: Solve for x
    x = 791,059,856,728,484,352/1,027,686,653.25
  6. Step 6: Final answer
    x = 769,748,107.78

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Half scale
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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.