Home / 1,391,983,946.48-2,087,529,326.04-459,097,050.80

Finding the Fourth Proportional to 1,391,983,946.48, 2,087,529,326.04 and 459,097,050.80

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Solution

The fourth proportional to 1,391,983,946.48, 2,087,529,326.04 and 459,097,050.80 is: 688,498,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,983,946.48 : 2,087,529,326.04 = 459,097,050.80 : x
  2. Step 2: Convert to fraction form
    1,391,983,946.48/2,087,529,326.04 = 459,097,050.80/x
  3. Step 3: Cross multiply
    1,391,983,946.48x = 2,087,529,326.04 × 459,097,050.80
  4. Step 4: Simplify right side
    1,391,983,946.48x = 958,378,557,043,475,712
  5. Step 5: Solve for x
    x = 958,378,557,043,475,712/1,391,983,946.48
  6. Step 6: Final answer
    x = 688,498,282.95

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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.