Home / 1,653,620,020.80-2,480,430,031.20-1,472,823,792.60

Finding the Fourth Proportional to 1,653,620,020.80, 2,480,430,031.20 and 1,472,823,792.60

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Solution

The fourth proportional to 1,653,620,020.80, 2,480,430,031.20 and 1,472,823,792.60 is: 2,209,235,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,620,020.80 : 2,480,430,031.20 = 1,472,823,792.60 : x
  2. Step 2: Convert to fraction form
    1,653,620,020.80/2,480,430,031.20 = 1,472,823,792.60/x
  3. Step 3: Cross multiply
    1,653,620,020.80x = 2,480,430,031.20 × 1,472,823,792.60
  4. Step 4: Simplify right side
    1,653,620,020.80x = 3,653,236,365,830,919,680
  5. Step 5: Solve for x
    x = 3,653,236,365,830,919,680/1,653,620,020.80
  6. Step 6: Final answer
    x = 2,209,235,688.90

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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.