Home / 7,038,257,720.58-9,712,802,020.32-3,866,647,094.64

Finding the Fourth Proportional to 7,038,257,720.58, 9,712,802,020.32 and 3,866,647,094.64

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Solution

The fourth proportional to 7,038,257,720.58, 9,712,802,020.32 and 3,866,647,094.64 is: 5,335,976,487.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038,257,720.58 : 9,712,802,020.32 = 3,866,647,094.64 : x
  2. Step 2: Convert to fraction form
    7,038,257,720.58/9,712,802,020.32 = 3,866,647,094.64/x
  3. Step 3: Cross multiply
    7,038,257,720.58x = 9,712,802,020.32 × 3,866,647,094.64
  4. Step 4: Simplify right side
    7,038,257,720.58x = 37,555,977,712,683,851,776
  5. Step 5: Solve for x
    x = 37,555,977,712,683,851,776/7,038,257,720.58
  6. Step 6: Final answer
    x = 5,335,976,487.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.