Home / 432,118,113.23-648,178,166.27-249,081,861.22

Finding the Fourth Proportional to 432,118,113.23, 648,178,166.27 and 249,081,861.22

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Solution

The fourth proportional to 432,118,113.23, 648,178,166.27 and 249,081,861.22 is: 373,623,366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,118,113.23 : 648,178,166.27 = 249,081,861.22 : x
  2. Step 2: Convert to fraction form
    432,118,113.23/648,178,166.27 = 249,081,861.22/x
  3. Step 3: Cross multiply
    432,118,113.23x = 648,178,166.27 × 249,081,861.22
  4. Step 4: Simplify right side
    432,118,113.23x = 161,449,424,055,700,480
  5. Step 5: Solve for x
    x = 161,449,424,055,700,480/432,118,113.23
  6. Step 6: Final answer
    x = 373,623,366.19

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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.