Home / 1,641,109,362.90-2,459,573,855.55-670,664,562.90

Finding the Fourth Proportional to 1,641,109,362.90, 2,459,573,855.55 and 670,664,562.90

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Solution

The fourth proportional to 1,641,109,362.90, 2,459,573,855.55 and 670,664,562.90 is: 1,005,142,656.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,109,362.90 : 2,459,573,855.55 = 670,664,562.90 : x
  2. Step 2: Convert to fraction form
    1,641,109,362.90/2,459,573,855.55 = 670,664,562.90/x
  3. Step 3: Cross multiply
    1,641,109,362.90x = 2,459,573,855.55 × 670,664,562.90
  4. Step 4: Simplify right side
    1,641,109,362.90x = 1,649,549,024,752,708,608
  5. Step 5: Solve for x
    x = 1,649,549,024,752,708,608/1,641,109,362.90
  6. Step 6: Final answer
    x = 1,005,142,656.57

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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.