Home / 7,128,179,366.20-10,688,017,521.30-4,369,787,999.80

Finding the Fourth Proportional to 7,128,179,366.20, 10,688,017,521.30 and 4,369,787,999.80

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Solution

The fourth proportional to 7,128,179,366.20, 10,688,017,521.30 and 4,369,787,999.80 is: 6,552,075,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,179,366.20 : 10,688,017,521.30 = 4,369,787,999.80 : x
  2. Step 2: Convert to fraction form
    7,128,179,366.20/10,688,017,521.30 = 4,369,787,999.80/x
  3. Step 3: Cross multiply
    7,128,179,366.20x = 10,688,017,521.30 × 4,369,787,999.80
  4. Step 4: Simplify right side
    7,128,179,366.20x = 46,704,370,706,228,879,360
  5. Step 5: Solve for x
    x = 46,704,370,706,228,879,360/7,128,179,366.20
  6. Step 6: Final answer
    x = 6,552,075,685.37

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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.