Home / 810,559,077.80-1,119,120,618-513,464,964.44

Finding the Fourth Proportional to 810,559,077.80, 1,119,120,618 and 513,464,964.44

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Solution

The fourth proportional to 810,559,077.80, 1,119,120,618 and 513,464,964.44 is: 708,929,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,559,077.80 : 1,119,120,618 = 513,464,964.44 : x
  2. Step 2: Convert to fraction form
    810,559,077.80/1,119,120,618 = 513,464,964.44/x
  3. Step 3: Cross multiply
    810,559,077.80x = 1,119,120,618 × 513,464,964.44
  4. Step 4: Simplify right side
    810,559,077.80x = 574,629,228,325,440,832
  5. Step 5: Solve for x
    x = 574,629,228,325,440,832/810,559,077.80
  6. Step 6: Final answer
    x = 708,929,483.44

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Double scale
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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.