Home / 21,275,157,681.20-31,912,736,521.80-6,551,265,911.60

Finding the Fourth Proportional to 21,275,157,681.20, 31,912,736,521.80 and 6,551,265,911.60

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Solution

The fourth proportional to 21,275,157,681.20, 31,912,736,521.80 and 6,551,265,911.60 is: 9,826,898,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275,157,681.20 : 31,912,736,521.80 = 6,551,265,911.60 : x
  2. Step 2: Convert to fraction form
    21,275,157,681.20/31,912,736,521.80 = 6,551,265,911.60/x
  3. Step 3: Cross multiply
    21,275,157,681.20x = 31,912,736,521.80 × 6,551,265,911.60
  4. Step 4: Simplify right side
    21,275,157,681.20x = 209,068,822,921,140,699,136
  5. Step 5: Solve for x
    x = 209,068,822,921,140,699,136/21,275,157,681.20
  6. Step 6: Final answer
    x = 9,826,898,867.40

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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.