Home / 300,030,669,377.79-450,134,411,267.93-120,864,459,076.90

Finding the Fourth Proportional to 300,030,669,377.79, 450,134,411,267.93 and 120,864,459,076.90

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Solution

The fourth proportional to 300,030,669,377.79, 450,134,411,267.93 and 120,864,459,076.90 is: 181,332,302,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,030,669,377.79 : 450,134,411,267.93 = 120,864,459,076.90 : x
  2. Step 2: Convert to fraction form
    300,030,669,377.79/450,134,411,267.93 = 120,864,459,076.90/x
  3. Step 3: Cross multiply
    300,030,669,377.79x = 450,134,411,267.93 × 120,864,459,076.90
  4. Step 4: Simplify right side
    300,030,669,377.79x = 54,405,252,129,797,194,121,216
  5. Step 5: Solve for x
    x = 54,405,252,129,797,194,121,216/300,030,669,377.79
  6. Step 6: Final answer
    x = 181,332,302,603.01

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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.