Home / 2,688,768,008.20-4,033,152,012.30-646,354,952.20

Finding the Fourth Proportional to 2,688,768,008.20, 4,033,152,012.30 and 646,354,952.20

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Solution

The fourth proportional to 2,688,768,008.20, 4,033,152,012.30 and 646,354,952.20 is: 969,532,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,768,008.20 : 4,033,152,012.30 = 646,354,952.20 : x
  2. Step 2: Convert to fraction form
    2,688,768,008.20/4,033,152,012.30 = 646,354,952.20/x
  3. Step 3: Cross multiply
    2,688,768,008.20x = 4,033,152,012.30 × 646,354,952.20
  4. Step 4: Simplify right side
    2,688,768,008.20x = 2,606,847,776,125,500,416
  5. Step 5: Solve for x
    x = 2,606,847,776,125,500,416/2,688,768,008.20
  6. Step 6: Final answer
    x = 969,532,428.30

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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.