Home / 2,688,768,028.70-4,033,152,043.05-646,354,972.70

Finding the Fourth Proportional to 2,688,768,028.70, 4,033,152,043.05 and 646,354,972.70

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Solution

The fourth proportional to 2,688,768,028.70, 4,033,152,043.05 and 646,354,972.70 is: 969,532,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,768,028.70 : 4,033,152,043.05 = 646,354,972.70 : x
  2. Step 2: Convert to fraction form
    2,688,768,028.70/4,033,152,043.05 = 646,354,972.70/x
  3. Step 3: Cross multiply
    2,688,768,028.70x = 4,033,152,043.05 × 646,354,972.70
  4. Step 4: Simplify right side
    2,688,768,028.70x = 2,606,847,878,680,532,480
  5. Step 5: Solve for x
    x = 2,606,847,878,680,532,480/2,688,768,028.70
  6. Step 6: Final answer
    x = 969,532,459.05

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Double scale
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Similar ratio
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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.