Home / 719,525,334.60-1,079,288,001.90-667,869,269.40

Finding the Fourth Proportional to 719,525,334.60, 1,079,288,001.90 and 667,869,269.40

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Solution

The fourth proportional to 719,525,334.60, 1,079,288,001.90 and 667,869,269.40 is: 1,001,803,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,525,334.60 : 1,079,288,001.90 = 667,869,269.40 : x
  2. Step 2: Convert to fraction form
    719,525,334.60/1,079,288,001.90 = 667,869,269.40/x
  3. Step 3: Cross multiply
    719,525,334.60x = 1,079,288,001.90 × 667,869,269.40
  4. Step 4: Simplify right side
    719,525,334.60x = 720,823,289,301,138,816
  5. Step 5: Solve for x
    x = 720,823,289,301,138,816/719,525,334.60
  6. Step 6: Final answer
    x = 1,001,803,904.10

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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.