Home / 1,149,323,099.51-1,586,065,816.64-620,687,034.70

Finding the Fourth Proportional to 1,149,323,099.51, 1,586,065,816.64 and 620,687,034.70

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Solution

The fourth proportional to 1,149,323,099.51, 1,586,065,816.64 and 620,687,034.70 is: 856,548,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,323,099.51 : 1,586,065,816.64 = 620,687,034.70 : x
  2. Step 2: Convert to fraction form
    1,149,323,099.51/1,586,065,816.64 = 620,687,034.70/x
  3. Step 3: Cross multiply
    1,149,323,099.51x = 1,586,065,816.64 × 620,687,034.70
  4. Step 4: Simplify right side
    1,149,323,099.51x = 984,450,488,569,315,712
  5. Step 5: Solve for x
    x = 984,450,488,569,315,712/1,149,323,099.51
  6. Step 6: Final answer
    x = 856,548,075.11

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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.