Home / 442,836,810.64-611,114,775.32-239,152,145.16

Finding the Fourth Proportional to 442,836,810.64, 611,114,775.32 and 239,152,145.16

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Solution

The fourth proportional to 442,836,810.64, 611,114,775.32 and 239,152,145.16 is: 330,029,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,836,810.64 : 611,114,775.32 = 239,152,145.16 : x
  2. Step 2: Convert to fraction form
    442,836,810.64/611,114,775.32 = 239,152,145.16/x
  3. Step 3: Cross multiply
    442,836,810.64x = 611,114,775.32 × 239,152,145.16
  4. Step 4: Simplify right side
    442,836,810.64x = 146,149,409,456,749,440
  5. Step 5: Solve for x
    x = 146,149,409,456,749,440/442,836,810.64
  6. Step 6: Final answer
    x = 330,029,947.70

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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.