Home / 209,852,162,040.68-314,779,160,794.53-66,431,890,568.21

Finding the Fourth Proportional to 209,852,162,040.68, 314,779,160,794.53 and 66,431,890,568.21

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Solution

The fourth proportional to 209,852,162,040.68, 314,779,160,794.53 and 66,431,890,568.21 is: 99,648,126,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,852,162,040.68 : 314,779,160,794.53 = 66,431,890,568.21 : x
  2. Step 2: Convert to fraction form
    209,852,162,040.68/314,779,160,794.53 = 66,431,890,568.21/x
  3. Step 3: Cross multiply
    209,852,162,040.68x = 314,779,160,794.53 × 66,431,890,568.21
  4. Step 4: Simplify right side
    209,852,162,040.68x = 20,911,374,763,053,627,211,776
  5. Step 5: Solve for x
    x = 20,911,374,763,053,627,211,776/209,852,162,040.68
  6. Step 6: Final answer
    x = 99,648,126,374.80

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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.