Home / 790,193,199.80-1,184,901,941.28-390,890,415.32

Finding the Fourth Proportional to 790,193,199.80, 1,184,901,941.28 and 390,890,415.32

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Solution

The fourth proportional to 790,193,199.80, 1,184,901,941.28 and 390,890,415.32 is: 586,143,758.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,193,199.80 : 1,184,901,941.28 = 390,890,415.32 : x
  2. Step 2: Convert to fraction form
    790,193,199.80/1,184,901,941.28 = 390,890,415.32/x
  3. Step 3: Cross multiply
    790,193,199.80x = 1,184,901,941.28 × 390,890,415.32
  4. Step 4: Simplify right side
    790,193,199.80x = 463,166,811,940,413,440
  5. Step 5: Solve for x
    x = 463,166,811,940,413,440/790,193,199.80
  6. Step 6: Final answer
    x = 586,143,758.33

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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.