Home / 1,167,742,052.92-1,611,488,302.22-631,893,720.56

Finding the Fourth Proportional to 1,167,742,052.92, 1,611,488,302.22 and 631,893,720.56

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Solution

The fourth proportional to 1,167,742,052.92, 1,611,488,302.22 and 631,893,720.56 is: 872,015,644.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,742,052.92 : 1,611,488,302.22 = 631,893,720.56 : x
  2. Step 2: Convert to fraction form
    1,167,742,052.92/1,611,488,302.22 = 631,893,720.56/x
  3. Step 3: Cross multiply
    1,167,742,052.92x = 1,611,488,302.22 × 631,893,720.56
  4. Step 4: Simplify right side
    1,167,742,052.92x = 1,018,289,338,928,713,472
  5. Step 5: Solve for x
    x = 1,018,289,338,928,713,472/1,167,742,052.92
  6. Step 6: Final answer
    x = 872,015,644.54

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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.