Home / 1,119,302,915.40-1,678,954,373.10-536,737,291.20

Finding the Fourth Proportional to 1,119,302,915.40, 1,678,954,373.10 and 536,737,291.20

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Solution

The fourth proportional to 1,119,302,915.40, 1,678,954,373.10 and 536,737,291.20 is: 805,105,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,302,915.40 : 1,678,954,373.10 = 536,737,291.20 : x
  2. Step 2: Convert to fraction form
    1,119,302,915.40/1,678,954,373.10 = 536,737,291.20/x
  3. Step 3: Cross multiply
    1,119,302,915.40x = 1,678,954,373.10 × 536,737,291.20
  4. Step 4: Simplify right side
    1,119,302,915.40x = 901,157,422,266,088,064
  5. Step 5: Solve for x
    x = 901,157,422,266,088,064/1,119,302,915.40
  6. Step 6: Final answer
    x = 805,105,936.80

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.