Home / 620,870,152.70-931,443,656.22-178,178,323.17

Finding the Fourth Proportional to 620,870,152.70, 931,443,656.22 and 178,178,323.17

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Solution

The fourth proportional to 620,870,152.70, 931,443,656.22 and 178,178,323.17 is: 267,307,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,870,152.70 : 931,443,656.22 = 178,178,323.17 : x
  2. Step 2: Convert to fraction form
    620,870,152.70/931,443,656.22 = 178,178,323.17/x
  3. Step 3: Cross multiply
    620,870,152.70x = 931,443,656.22 × 178,178,323.17
  4. Step 4: Simplify right side
    620,870,152.70x = 165,963,068,795,310,240
  5. Step 5: Solve for x
    x = 165,963,068,795,310,240/620,870,152.70
  6. Step 6: Final answer
    x = 267,307,210.81

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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.