Home / 896,831,404.20-1,345,247,106.30-771,995,913.30

Finding the Fourth Proportional to 896,831,404.20, 1,345,247,106.30 and 771,995,913.30

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Solution

The fourth proportional to 896,831,404.20, 1,345,247,106.30 and 771,995,913.30 is: 1,157,993,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,831,404.20 : 1,345,247,106.30 = 771,995,913.30 : x
  2. Step 2: Convert to fraction form
    896,831,404.20/1,345,247,106.30 = 771,995,913.30/x
  3. Step 3: Cross multiply
    896,831,404.20x = 1,345,247,106.30 × 771,995,913.30
  4. Step 4: Simplify right side
    896,831,404.20x = 1,038,525,268,442,250,624
  5. Step 5: Solve for x
    x = 1,038,525,268,442,250,624/896,831,404.20
  6. Step 6: Final answer
    x = 1,157,993,869.95

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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.