Home / 468,477,757.50-698,528,321.36-455,606,619.81

Finding the Fourth Proportional to 468,477,757.50, 698,528,321.36 and 455,606,619.81

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Solution

The fourth proportional to 468,477,757.50, 698,528,321.36 and 455,606,619.81 is: 679,336,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,477,757.50 : 698,528,321.36 = 455,606,619.81 : x
  2. Step 2: Convert to fraction form
    468,477,757.50/698,528,321.36 = 455,606,619.81/x
  3. Step 3: Cross multiply
    468,477,757.50x = 698,528,321.36 × 455,606,619.81
  4. Step 4: Simplify right side
    468,477,757.50x = 318,254,127,334,105,024
  5. Step 5: Solve for x
    x = 318,254,127,334,105,024/468,477,757.50
  6. Step 6: Final answer
    x = 679,336,686.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.