Home / 977,068,931.20-1,465,603,396.80-330,836,675.20

Finding the Fourth Proportional to 977,068,931.20, 1,465,603,396.80 and 330,836,675.20

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Solution

The fourth proportional to 977,068,931.20, 1,465,603,396.80 and 330,836,675.20 is: 496,255,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,068,931.20 : 1,465,603,396.80 = 330,836,675.20 : x
  2. Step 2: Convert to fraction form
    977,068,931.20/1,465,603,396.80 = 330,836,675.20/x
  3. Step 3: Cross multiply
    977,068,931.20x = 1,465,603,396.80 × 330,836,675.20
  4. Step 4: Simplify right side
    977,068,931.20x = 484,875,354,959,138,304
  5. Step 5: Solve for x
    x = 484,875,354,959,138,304/977,068,931.20
  6. Step 6: Final answer
    x = 496,255,012.80

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Double scale
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Similar ratio
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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.