Home / 1,991,561,334.40-2,987,342,001.60-958,440,030.40

Finding the Fourth Proportional to 1,991,561,334.40, 2,987,342,001.60 and 958,440,030.40

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Solution

The fourth proportional to 1,991,561,334.40, 2,987,342,001.60 and 958,440,030.40 is: 1,437,660,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,561,334.40 : 2,987,342,001.60 = 958,440,030.40 : x
  2. Step 2: Convert to fraction form
    1,991,561,334.40/2,987,342,001.60 = 958,440,030.40/x
  3. Step 3: Cross multiply
    1,991,561,334.40x = 2,987,342,001.60 × 958,440,030.40
  4. Step 4: Simplify right side
    1,991,561,334.40x = 2,863,188,158,828,700,672
  5. Step 5: Solve for x
    x = 2,863,188,158,828,700,672/1,991,561,334.40
  6. Step 6: Final answer
    x = 1,437,660,045.60

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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.