Home / 1,641,104,938.40-2,459,567,218.80-670,660,138.40

Finding the Fourth Proportional to 1,641,104,938.40, 2,459,567,218.80 and 670,660,138.40

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Solution

The fourth proportional to 1,641,104,938.40, 2,459,567,218.80 and 670,660,138.40 is: 1,005,136,023.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,104,938.40 : 2,459,567,218.80 = 670,660,138.40 : x
  2. Step 2: Convert to fraction form
    1,641,104,938.40/2,459,567,218.80 = 670,660,138.40/x
  3. Step 3: Cross multiply
    1,641,104,938.40x = 2,459,567,218.80 × 670,660,138.40
  4. Step 4: Simplify right side
    1,641,104,938.40x = 1,649,533,691,364,511,232
  5. Step 5: Solve for x
    x = 1,649,533,691,364,511,232/1,641,104,938.40
  6. Step 6: Final answer
    x = 1,005,136,023.16

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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.