Home / 1,117,207,827.72-1,541,636,426.34-622,216,594.44

Finding the Fourth Proportional to 1,117,207,827.72, 1,541,636,426.34 and 622,216,594.44

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Solution

The fourth proportional to 1,117,207,827.72, 1,541,636,426.34 and 622,216,594.44 is: 858,597,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,207,827.72 : 1,541,636,426.34 = 622,216,594.44 : x
  2. Step 2: Convert to fraction form
    1,117,207,827.72/1,541,636,426.34 = 622,216,594.44/x
  3. Step 3: Cross multiply
    1,117,207,827.72x = 1,541,636,426.34 × 622,216,594.44
  4. Step 4: Simplify right side
    1,117,207,827.72x = 959,231,767,061,926,784
  5. Step 5: Solve for x
    x = 959,231,767,061,926,784/1,117,207,827.72
  6. Step 6: Final answer
    x = 858,597,427.68

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Double scale
Find fourth proportional to 1,117,207,828.72, 1,541,636,427.72 and 622,216,595.44
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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.