Home / 946,628,423.32-1,420,095,215.34-291,579,145.24

Finding the Fourth Proportional to 946,628,423.32, 1,420,095,215.34 and 291,579,145.24

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Solution

The fourth proportional to 946,628,423.32, 1,420,095,215.34 and 291,579,145.24 is: 437,415,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,628,423.32 : 1,420,095,215.34 = 291,579,145.24 : x
  2. Step 2: Convert to fraction form
    946,628,423.32/1,420,095,215.34 = 291,579,145.24/x
  3. Step 3: Cross multiply
    946,628,423.32x = 1,420,095,215.34 × 291,579,145.24
  4. Step 4: Simplify right side
    946,628,423.32x = 414,070,149,048,250,944
  5. Step 5: Solve for x
    x = 414,070,149,048,250,944/946,628,423.32
  6. Step 6: Final answer
    x = 437,415,715.45

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Double scale
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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.