Home / 1,569,896,163.05-2,166,551,831.72-865,047,291.53

Finding the Fourth Proportional to 1,569,896,163.05, 2,166,551,831.72 and 865,047,291.53

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Solution

The fourth proportional to 1,569,896,163.05, 2,166,551,831.72 and 865,047,291.53 is: 1,193,817,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,896,163.05 : 2,166,551,831.72 = 865,047,291.53 : x
  2. Step 2: Convert to fraction form
    1,569,896,163.05/2,166,551,831.72 = 865,047,291.53/x
  3. Step 3: Cross multiply
    1,569,896,163.05x = 2,166,551,831.72 × 865,047,291.53
  4. Step 4: Simplify right side
    1,569,896,163.05x = 1,874,169,793,984,421,120
  5. Step 5: Solve for x
    x = 1,874,169,793,984,421,120/1,569,896,163.05
  6. Step 6: Final answer
    x = 1,193,817,679.22

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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.