Home / 1,338,768,025.80-2,008,152,038.70-930,621,337.80

Finding the Fourth Proportional to 1,338,768,025.80, 2,008,152,038.70 and 930,621,337.80

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Solution

The fourth proportional to 1,338,768,025.80, 2,008,152,038.70 and 930,621,337.80 is: 1,395,932,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,768,025.80 : 2,008,152,038.70 = 930,621,337.80 : x
  2. Step 2: Convert to fraction form
    1,338,768,025.80/2,008,152,038.70 = 930,621,337.80/x
  3. Step 3: Cross multiply
    1,338,768,025.80x = 2,008,152,038.70 × 930,621,337.80
  4. Step 4: Simplify right side
    1,338,768,025.80x = 1,868,829,136,760,791,296
  5. Step 5: Solve for x
    x = 1,868,829,136,760,791,296/1,338,768,025.80
  6. Step 6: Final answer
    x = 1,395,932,006.70

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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.