Home / 1,140,606,339.26-1,573,766,940.01-645,569,047.76

Finding the Fourth Proportional to 1,140,606,339.26, 1,573,766,940.01 and 645,569,047.76

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Solution

The fourth proportional to 1,140,606,339.26, 1,573,766,940.01 and 645,569,047.76 is: 890,732,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,606,339.26 : 1,573,766,940.01 = 645,569,047.76 : x
  2. Step 2: Convert to fraction form
    1,140,606,339.26/1,573,766,940.01 = 645,569,047.76/x
  3. Step 3: Cross multiply
    1,140,606,339.26x = 1,573,766,940.01 × 645,569,047.76
  4. Step 4: Simplify right side
    1,140,606,339.26x = 1,015,975,224,858,424,704
  5. Step 5: Solve for x
    x = 1,015,975,224,858,424,704/1,140,606,339.26
  6. Step 6: Final answer
    x = 890,732,577.83

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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.