Home / 287,104,164-396,151,478.28-161,636,848.80

Finding the Fourth Proportional to 287,104,164, 396,151,478.28 and 161,636,848.80

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Solution

The fourth proportional to 287,104,164, 396,151,478.28 and 161,636,848.80 is: 223,029,424.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,104,164 : 396,151,478.28 = 161,636,848.80 : x
  2. Step 2: Convert to fraction form
    287,104,164/396,151,478.28 = 161,636,848.80/x
  3. Step 3: Cross multiply
    287,104,164x = 396,151,478.28 × 161,636,848.80
  4. Step 4: Simplify right side
    287,104,164x = 64,032,676,596,640,848
  5. Step 5: Solve for x
    x = 64,032,676,596,640,848/287,104,164
  6. Step 6: Final answer
    x = 223,029,424.95

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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.