Home / 380,184,754.84-524,565,038.65-215,172,319.48

Finding the Fourth Proportional to 380,184,754.84, 524,565,038.65 and 215,172,319.48

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Solution

The fourth proportional to 380,184,754.84, 524,565,038.65 and 215,172,319.48 is: 296,886,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,184,754.84 : 524,565,038.65 = 215,172,319.48 : x
  2. Step 2: Convert to fraction form
    380,184,754.84/524,565,038.65 = 215,172,319.48/x
  3. Step 3: Cross multiply
    380,184,754.84x = 524,565,038.65 × 215,172,319.48
  4. Step 4: Simplify right side
    380,184,754.84x = 112,871,876,084,436,336
  5. Step 5: Solve for x
    x = 112,871,876,084,436,336/380,184,754.84
  6. Step 6: Final answer
    x = 296,886,907.35

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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.