Home / 893,641,946.84-1,233,237,236.08-491,801,961.76

Finding the Fourth Proportional to 893,641,946.84, 1,233,237,236.08 and 491,801,961.76

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Solution

The fourth proportional to 893,641,946.84, 1,233,237,236.08 and 491,801,961.76 is: 678,692,953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,641,946.84 : 1,233,237,236.08 = 491,801,961.76 : x
  2. Step 2: Convert to fraction form
    893,641,946.84/1,233,237,236.08 = 491,801,961.76/x
  3. Step 3: Cross multiply
    893,641,946.84x = 1,233,237,236.08 × 491,801,961.76
  4. Step 4: Simplify right side
    893,641,946.84x = 606,508,492,019,624,192
  5. Step 5: Solve for x
    x = 606,508,492,019,624,192/893,641,946.84
  6. Step 6: Final answer
    x = 678,692,953.22

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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.