Home / 848,007,489.38-1,272,011,698.80-387,622,808.28

Finding the Fourth Proportional to 848,007,489.38, 1,272,011,698.80 and 387,622,808.28

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Solution

The fourth proportional to 848,007,489.38, 1,272,011,698.80 and 387,622,808.28 is: 581,434,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,007,489.38 : 1,272,011,698.80 = 387,622,808.28 : x
  2. Step 2: Convert to fraction form
    848,007,489.38/1,272,011,698.80 = 387,622,808.28/x
  3. Step 3: Cross multiply
    848,007,489.38x = 1,272,011,698.80 × 387,622,808.28
  4. Step 4: Simplify right side
    848,007,489.38x = 493,060,746,853,869,440
  5. Step 5: Solve for x
    x = 493,060,746,853,869,440/848,007,489.38
  6. Step 6: Final answer
    x = 581,434,424.85

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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.