Home / 380,202,340,512.30-570,303,510,768.45-318,834,935,054.70

Finding the Fourth Proportional to 380,202,340,512.30, 570,303,510,768.45 and 318,834,935,054.70

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Solution

The fourth proportional to 380,202,340,512.30, 570,303,510,768.45 and 318,834,935,054.70 is: 478,252,402,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,202,340,512.30 : 570,303,510,768.45 = 318,834,935,054.70 : x
  2. Step 2: Convert to fraction form
    380,202,340,512.30/570,303,510,768.45 = 318,834,935,054.70/x
  3. Step 3: Cross multiply
    380,202,340,512.30x = 570,303,510,768.45 × 318,834,935,054.70
  4. Step 4: Simplify right side
    380,202,340,512.30x = 181,832,682,817,326,153,728,000
  5. Step 5: Solve for x
    x = 181,832,682,817,326,153,728,000/380,202,340,512.30
  6. Step 6: Final answer
    x = 478,252,402,582.05

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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.