Home / 2,078,784,047.80-3,118,176,071.70-624,761,471.80

Finding the Fourth Proportional to 2,078,784,047.80, 3,118,176,071.70 and 624,761,471.80

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Solution

The fourth proportional to 2,078,784,047.80, 3,118,176,071.70 and 624,761,471.80 is: 937,142,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,784,047.80 : 3,118,176,071.70 = 624,761,471.80 : x
  2. Step 2: Convert to fraction form
    2,078,784,047.80/3,118,176,071.70 = 624,761,471.80/x
  3. Step 3: Cross multiply
    2,078,784,047.80x = 3,118,176,071.70 × 624,761,471.80
  4. Step 4: Simplify right side
    2,078,784,047.80x = 1,948,116,271,886,834,176
  5. Step 5: Solve for x
    x = 1,948,116,271,886,834,176/2,078,784,047.80
  6. Step 6: Final answer
    x = 937,142,207.70

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Double scale
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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.