Home / 525,242,470.02-724,924,615.05-305,353,441.86

Finding the Fourth Proportional to 525,242,470.02, 724,924,615.05 and 305,353,441.86

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Solution

The fourth proportional to 525,242,470.02, 724,924,615.05 and 305,353,441.86 is: 421,440,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,242,470.02 : 724,924,615.05 = 305,353,441.86 : x
  2. Step 2: Convert to fraction form
    525,242,470.02/724,924,615.05 = 305,353,441.86/x
  3. Step 3: Cross multiply
    525,242,470.02x = 724,924,615.05 × 305,353,441.86
  4. Step 4: Simplify right side
    525,242,470.02x = 221,358,226,294,553,056
  5. Step 5: Solve for x
    x = 221,358,226,294,553,056/525,242,470.02
  6. Step 6: Final answer
    x = 421,440,075.64

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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.