Home / 797,942,014.40-1,197,668,848.80-491,831,998.40

Finding the Fourth Proportional to 797,942,014.40, 1,197,668,848.80 and 491,831,998.40

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Solution

The fourth proportional to 797,942,014.40, 1,197,668,848.80 and 491,831,998.40 is: 738,213,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,942,014.40 : 1,197,668,848.80 = 491,831,998.40 : x
  2. Step 2: Convert to fraction form
    797,942,014.40/1,197,668,848.80 = 491,831,998.40/x
  3. Step 3: Cross multiply
    797,942,014.40x = 1,197,668,848.80 × 491,831,998.40
  4. Step 4: Simplify right side
    797,942,014.40x = 589,051,863,326,731,392
  5. Step 5: Solve for x
    x = 589,051,863,326,731,392/797,942,014.40
  6. Step 6: Final answer
    x = 738,213,871.05

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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.