Home / 2,991,834,970.70-4,487,752,456.05-810,801,106.70

Finding the Fourth Proportional to 2,991,834,970.70, 4,487,752,456.05 and 810,801,106.70

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Solution

The fourth proportional to 2,991,834,970.70, 4,487,752,456.05 and 810,801,106.70 is: 1,216,201,660.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,834,970.70 : 4,487,752,456.05 = 810,801,106.70 : x
  2. Step 2: Convert to fraction form
    2,991,834,970.70/4,487,752,456.05 = 810,801,106.70/x
  3. Step 3: Cross multiply
    2,991,834,970.70x = 4,487,752,456.05 × 810,801,106.70
  4. Step 4: Simplify right side
    2,991,834,970.70x = 3,638,674,657,960,983,552
  5. Step 5: Solve for x
    x = 3,638,674,657,960,983,552/2,991,834,970.70
  6. Step 6: Final answer
    x = 1,216,201,660.05

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1.5x scale

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.