Home / 347,736,004.80-521,604,007.20-225,291,998.40

Finding the Fourth Proportional to 347,736,004.80, 521,604,007.20 and 225,291,998.40

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Solution

The fourth proportional to 347,736,004.80, 521,604,007.20 and 225,291,998.40 is: 337,937,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,004.80 : 521,604,007.20 = 225,291,998.40 : x
  2. Step 2: Convert to fraction form
    347,736,004.80/521,604,007.20 = 225,291,998.40/x
  3. Step 3: Cross multiply
    347,736,004.80x = 521,604,007.20 × 225,291,998.40
  4. Step 4: Simplify right side
    347,736,004.80x = 117,513,209,155,535,984
  5. Step 5: Solve for x
    x = 117,513,209,155,535,984/347,736,004.80
  6. Step 6: Final answer
    x = 337,937,997.60

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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.