Home / 1,410,742,516.52-1,946,589,350.64-784,125,747.92

Finding the Fourth Proportional to 1,410,742,516.52, 1,946,589,350.64 and 784,125,747.92

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Solution

The fourth proportional to 1,410,742,516.52, 1,946,589,350.64 and 784,125,747.92 is: 1,081,962,734.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,742,516.52 : 1,946,589,350.64 = 784,125,747.92 : x
  2. Step 2: Convert to fraction form
    1,410,742,516.52/1,946,589,350.64 = 784,125,747.92/x
  3. Step 3: Cross multiply
    1,410,742,516.52x = 1,946,589,350.64 × 784,125,747.92
  4. Step 4: Simplify right side
    1,410,742,516.52x = 1,526,370,830,463,697,152
  5. Step 5: Solve for x
    x = 1,526,370,830,463,697,152/1,410,742,516.52
  6. Step 6: Final answer
    x = 1,081,962,734.23

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Double scale
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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.