Home / 38,385,920,487.20-57,578,880,730.80-30,646,249,959.20

Finding the Fourth Proportional to 38,385,920,487.20, 57,578,880,730.80 and 30,646,249,959.20

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Solution

The fourth proportional to 38,385,920,487.20, 57,578,880,730.80 and 30,646,249,959.20 is: 45,969,374,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385,920,487.20 : 57,578,880,730.80 = 30,646,249,959.20 : x
  2. Step 2: Convert to fraction form
    38,385,920,487.20/57,578,880,730.80 = 30,646,249,959.20/x
  3. Step 3: Cross multiply
    38,385,920,487.20x = 57,578,880,730.80 × 30,646,249,959.20
  4. Step 4: Simplify right side
    38,385,920,487.20x = 1,764,576,771,247,061,336,064
  5. Step 5: Solve for x
    x = 1,764,576,771,247,061,336,064/38,385,920,487.20
  6. Step 6: Final answer
    x = 45,969,374,938.80

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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.