Home / 2,688,768,167.20-4,033,152,250.80-646,355,111.20

Finding the Fourth Proportional to 2,688,768,167.20, 4,033,152,250.80 and 646,355,111.20

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Solution

The fourth proportional to 2,688,768,167.20, 4,033,152,250.80 and 646,355,111.20 is: 969,532,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,768,167.20 : 4,033,152,250.80 = 646,355,111.20 : x
  2. Step 2: Convert to fraction form
    2,688,768,167.20/4,033,152,250.80 = 646,355,111.20/x
  3. Step 3: Cross multiply
    2,688,768,167.20x = 4,033,152,250.80 × 646,355,111.20
  4. Step 4: Simplify right side
    2,688,768,167.20x = 2,606,848,571,552,364,544
  5. Step 5: Solve for x
    x = 2,606,848,571,552,364,544/2,688,768,167.20
  6. Step 6: Final answer
    x = 969,532,666.80

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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.