Home / 283,088,843,626.72-390,659,964,006-154,630,243,080.40

Finding the Fourth Proportional to 283,088,843,626.72, 390,659,964,006 and 154,630,243,080.40

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Solution

The fourth proportional to 283,088,843,626.72, 390,659,964,006 and 154,630,243,080.40 is: 213,388,293,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,088,843,626.72 : 390,659,964,006 = 154,630,243,080.40 : x
  2. Step 2: Convert to fraction form
    283,088,843,626.72/390,659,964,006 = 154,630,243,080.40/x
  3. Step 3: Cross multiply
    283,088,843,626.72x = 390,659,964,006 × 154,630,243,080.40
  4. Step 4: Simplify right side
    283,088,843,626.72x = 60,407,845,196,028,092,350,464
  5. Step 5: Solve for x
    x = 60,407,845,196,028,092,350,464/283,088,843,626.72
  6. Step 6: Final answer
    x = 213,388,293,307.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.