Home / 727,139,957.59-1,090,863,140.99-235,814,916.56

Finding the Fourth Proportional to 727,139,957.59, 1,090,863,140.99 and 235,814,916.56

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Solution

The fourth proportional to 727,139,957.59, 1,090,863,140.99 and 235,814,916.56 is: 353,772,059.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,139,957.59 : 1,090,863,140.99 = 235,814,916.56 : x
  2. Step 2: Convert to fraction form
    727,139,957.59/1,090,863,140.99 = 235,814,916.56/x
  3. Step 3: Cross multiply
    727,139,957.59x = 1,090,863,140.99 × 235,814,916.56
  4. Step 4: Simplify right side
    727,139,957.59x = 257,241,800,573,498,944
  5. Step 5: Solve for x
    x = 257,241,800,573,498,944/727,139,957.59
  6. Step 6: Final answer
    x = 353,772,059.82

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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.