Home / 896,831,405.70-1,345,247,108.55-771,995,914.80

Finding the Fourth Proportional to 896,831,405.70, 1,345,247,108.55 and 771,995,914.80

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Solution

The fourth proportional to 896,831,405.70, 1,345,247,108.55 and 771,995,914.80 is: 1,157,993,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,831,405.70 : 1,345,247,108.55 = 771,995,914.80 : x
  2. Step 2: Convert to fraction form
    896,831,405.70/1,345,247,108.55 = 771,995,914.80/x
  3. Step 3: Cross multiply
    896,831,405.70x = 1,345,247,108.55 × 771,995,914.80
  4. Step 4: Simplify right side
    896,831,405.70x = 1,038,525,272,197,112,064
  5. Step 5: Solve for x
    x = 1,038,525,272,197,112,064/896,831,405.70
  6. Step 6: Final answer
    x = 1,157,993,872.20

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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.