Home / 1,564,871,706.63-2,159,544,011.55-850,421,441.90

Finding the Fourth Proportional to 1,564,871,706.63, 2,159,544,011.55 and 850,421,441.90

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Solution

The fourth proportional to 1,564,871,706.63, 2,159,544,011.55 and 850,421,441.90 is: 1,173,593,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,871,706.63 : 2,159,544,011.55 = 850,421,441.90 : x
  2. Step 2: Convert to fraction form
    1,564,871,706.63/2,159,544,011.55 = 850,421,441.90/x
  3. Step 3: Cross multiply
    1,564,871,706.63x = 2,159,544,011.55 × 850,421,441.90
  4. Step 4: Simplify right side
    1,564,871,706.63x = 1,836,522,532,138,063,616
  5. Step 5: Solve for x
    x = 1,836,522,532,138,063,616/1,564,871,706.63
  6. Step 6: Final answer
    x = 1,173,593,032.81

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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.