Home / 1,180,250,766.21-1,628,888,883.71-671,737,123.81

Finding the Fourth Proportional to 1,180,250,766.21, 1,628,888,883.71 and 671,737,123.81

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Solution

The fourth proportional to 1,180,250,766.21, 1,628,888,883.71 and 671,737,123.81 is: 927,078,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,250,766.21 : 1,628,888,883.71 = 671,737,123.81 : x
  2. Step 2: Convert to fraction form
    1,180,250,766.21/1,628,888,883.71 = 671,737,123.81/x
  3. Step 3: Cross multiply
    1,180,250,766.21x = 1,628,888,883.71 × 671,737,123.81
  4. Step 4: Simplify right side
    1,180,250,766.21x = 1,094,185,133,748,114,304
  5. Step 5: Solve for x
    x = 1,094,185,133,748,114,304/1,180,250,766.21
  6. Step 6: Final answer
    x = 927,078,520.15

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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.