Home / 1,903,173,812.10-2,854,697,901.03-782,658,692.10

Finding the Fourth Proportional to 1,903,173,812.10, 2,854,697,901.03 and 782,658,692.10

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Solution

The fourth proportional to 1,903,173,812.10, 2,854,697,901.03 and 782,658,692.10 is: 1,173,962,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,173,812.10 : 2,854,697,901.03 = 782,658,692.10 : x
  2. Step 2: Convert to fraction form
    1,903,173,812.10/2,854,697,901.03 = 782,658,692.10/x
  3. Step 3: Cross multiply
    1,903,173,812.10x = 2,854,697,901.03 × 782,658,692.10
  4. Step 4: Simplify right side
    1,903,173,812.10x = 2,234,254,125,560,755,200
  5. Step 5: Solve for x
    x = 2,234,254,125,560,755,200/1,903,173,812.10
  6. Step 6: Final answer
    x = 1,173,962,205.32

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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.