Home / 993,831,742.60-1,490,733,617.10-448,572,401.80

Finding the Fourth Proportional to 993,831,742.60, 1,490,733,617.10 and 448,572,401.80

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Solution

The fourth proportional to 993,831,742.60, 1,490,733,617.10 and 448,572,401.80 is: 672,852,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,831,742.60 : 1,490,733,617.10 = 448,572,401.80 : x
  2. Step 2: Convert to fraction form
    993,831,742.60/1,490,733,617.10 = 448,572,401.80/x
  3. Step 3: Cross multiply
    993,831,742.60x = 1,490,733,617.10 × 448,572,401.80
  4. Step 4: Simplify right side
    993,831,742.60x = 668,701,959,066,548,480
  5. Step 5: Solve for x
    x = 668,701,959,066,548,480/993,831,742.60
  6. Step 6: Final answer
    x = 672,852,285.15

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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.