Home / 281,566,916,624.34-388,569,709,178.37-153,115,877,847.06

Finding the Fourth Proportional to 281,566,916,624.34, 388,569,709,178.37 and 153,115,877,847.06

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Solution

The fourth proportional to 281,566,916,624.34, 388,569,709,178.37 and 153,115,877,847.06 is: 211,303,916,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,566,916,624.34 : 388,569,709,178.37 = 153,115,877,847.06 : x
  2. Step 2: Convert to fraction form
    281,566,916,624.34/388,569,709,178.37 = 153,115,877,847.06/x
  3. Step 3: Cross multiply
    281,566,916,624.34x = 388,569,709,178.37 × 153,115,877,847.06
  4. Step 4: Simplify right side
    281,566,916,624.34x = 59,496,192,125,622,928,015,360
  5. Step 5: Solve for x
    x = 59,496,192,125,622,928,015,360/281,566,916,624.34
  6. Step 6: Final answer
    x = 211,303,916,095.38

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1.5x scale

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.