Home / 21,275,172,219.20-31,912,758,328.80-6,551,280,449.60

Finding the Fourth Proportional to 21,275,172,219.20, 31,912,758,328.80 and 6,551,280,449.60

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Solution

The fourth proportional to 21,275,172,219.20, 31,912,758,328.80 and 6,551,280,449.60 is: 9,826,920,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275,172,219.20 : 31,912,758,328.80 = 6,551,280,449.60 : x
  2. Step 2: Convert to fraction form
    21,275,172,219.20/31,912,758,328.80 = 6,551,280,449.60/x
  3. Step 3: Cross multiply
    21,275,172,219.20x = 31,912,758,328.80 × 6,551,280,449.60
  4. Step 4: Simplify right side
    21,275,172,219.20x = 209,069,429,732,277,026,816
  5. Step 5: Solve for x
    x = 209,069,429,732,277,026,816/21,275,172,219.20
  6. Step 6: Final answer
    x = 9,826,920,674.40

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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.