Home / 421,243,224.30-581,312,477.34-235,604,249.10

Finding the Fourth Proportional to 421,243,224.30, 581,312,477.34 and 235,604,249.10

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Solution

The fourth proportional to 421,243,224.30, 581,312,477.34 and 235,604,249.10 is: 325,132,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,243,224.30 : 581,312,477.34 = 235,604,249.10 : x
  2. Step 2: Convert to fraction form
    421,243,224.30/581,312,477.34 = 235,604,249.10/x
  3. Step 3: Cross multiply
    421,243,224.30x = 581,312,477.34 × 235,604,249.10
  4. Step 4: Simplify right side
    421,243,224.30x = 136,959,689,716,151,472
  5. Step 5: Solve for x
    x = 136,959,689,716,151,472/421,243,224.30
  6. Step 6: Final answer
    x = 325,132,089.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.