Home / 1,991,580,509.70-2,987,370,764.55-958,459,205.70

Finding the Fourth Proportional to 1,991,580,509.70, 2,987,370,764.55 and 958,459,205.70

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Solution

The fourth proportional to 1,991,580,509.70, 2,987,370,764.55 and 958,459,205.70 is: 1,437,688,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,580,509.70 : 2,987,370,764.55 = 958,459,205.70 : x
  2. Step 2: Convert to fraction form
    1,991,580,509.70/2,987,370,764.55 = 958,459,205.70/x
  3. Step 3: Cross multiply
    1,991,580,509.70x = 2,987,370,764.55 × 958,459,205.70
  4. Step 4: Simplify right side
    1,991,580,509.70x = 2,863,273,010,121,995,264
  5. Step 5: Solve for x
    x = 2,863,273,010,121,995,264/1,991,580,509.70
  6. Step 6: Final answer
    x = 1,437,688,808.55

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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.