Home / 691,097,406.20-1,036,646,109.30-671,965,530.20

Finding the Fourth Proportional to 691,097,406.20, 1,036,646,109.30 and 671,965,530.20

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Solution

The fourth proportional to 691,097,406.20, 1,036,646,109.30 and 671,965,530.20 is: 1,007,948,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,097,406.20 : 1,036,646,109.30 = 671,965,530.20 : x
  2. Step 2: Convert to fraction form
    691,097,406.20/1,036,646,109.30 = 671,965,530.20/x
  3. Step 3: Cross multiply
    691,097,406.20x = 1,036,646,109.30 × 671,965,530.20
  4. Step 4: Simplify right side
    691,097,406.20x = 696,590,452,465,541,632
  5. Step 5: Solve for x
    x = 696,590,452,465,541,632/691,097,406.20
  6. Step 6: Final answer
    x = 1,007,948,295.30

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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.