Home / 1,180,983,206.40-1,771,474,809.60-362,989,219.20

Finding the Fourth Proportional to 1,180,983,206.40, 1,771,474,809.60 and 362,989,219.20

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Solution

The fourth proportional to 1,180,983,206.40, 1,771,474,809.60 and 362,989,219.20 is: 544,483,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,983,206.40 : 1,771,474,809.60 = 362,989,219.20 : x
  2. Step 2: Convert to fraction form
    1,180,983,206.40/1,771,474,809.60 = 362,989,219.20/x
  3. Step 3: Cross multiply
    1,180,983,206.40x = 1,771,474,809.60 × 362,989,219.20
  4. Step 4: Simplify right side
    1,180,983,206.40x = 643,026,257,969,172,608
  5. Step 5: Solve for x
    x = 643,026,257,969,172,608/1,180,983,206.40
  6. Step 6: Final answer
    x = 544,483,828.80

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Double scale
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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.