Home / 1,508,200,620.85-2,262,385,904.43-458,972,947.59

Finding the Fourth Proportional to 1,508,200,620.85, 2,262,385,904.43 and 458,972,947.59

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Solution

The fourth proportional to 1,508,200,620.85, 2,262,385,904.43 and 458,972,947.59 is: 688,485,280.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,200,620.85 : 2,262,385,904.43 = 458,972,947.59 : x
  2. Step 2: Convert to fraction form
    1,508,200,620.85/2,262,385,904.43 = 458,972,947.59/x
  3. Step 3: Cross multiply
    1,508,200,620.85x = 2,262,385,904.43 × 458,972,947.59
  4. Step 4: Simplify right side
    1,508,200,620.85x = 1,038,373,927,132,994,944
  5. Step 5: Solve for x
    x = 1,038,373,927,132,994,944/1,508,200,620.85
  6. Step 6: Final answer
    x = 688,485,280.26

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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.