Home / 495,710,393.76-684,089,139.60-275,693,916.96

Finding the Fourth Proportional to 495,710,393.76, 684,089,139.60 and 275,693,916.96

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Solution

The fourth proportional to 495,710,393.76, 684,089,139.60 and 275,693,916.96 is: 380,462,497.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,710,393.76 : 684,089,139.60 = 275,693,916.96 : x
  2. Step 2: Convert to fraction form
    495,710,393.76/684,089,139.60 = 275,693,916.96/x
  3. Step 3: Cross multiply
    495,710,393.76x = 684,089,139.60 × 275,693,916.96
  4. Step 4: Simplify right side
    495,710,393.76x = 188,599,214,446,120,224
  5. Step 5: Solve for x
    x = 188,599,214,446,120,224/495,710,393.76
  6. Step 6: Final answer
    x = 380,462,497.50

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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.