Home / 20,717,577,535.80-31,076,366,303.70-18,323,116,966.20

Finding the Fourth Proportional to 20,717,577,535.80, 31,076,366,303.70 and 18,323,116,966.20

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Solution

The fourth proportional to 20,717,577,535.80, 31,076,366,303.70 and 18,323,116,966.20 is: 27,484,675,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717,577,535.80 : 31,076,366,303.70 = 18,323,116,966.20 : x
  2. Step 2: Convert to fraction form
    20,717,577,535.80/31,076,366,303.70 = 18,323,116,966.20/x
  3. Step 3: Cross multiply
    20,717,577,535.80x = 31,076,366,303.70 × 18,323,116,966.20
  4. Step 4: Simplify right side
    20,717,577,535.80x = 569,415,894,667,171,463,168
  5. Step 5: Solve for x
    x = 569,415,894,667,171,463,168/20,717,577,535.80
  6. Step 6: Final answer
    x = 27,484,675,449.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.