Home / 486,774,692.42-671,980,710.69-326,115,312.89

Finding the Fourth Proportional to 486,774,692.42, 671,980,710.69 and 326,115,312.89

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Solution

The fourth proportional to 486,774,692.42, 671,980,710.69 and 326,115,312.89 is: 450,194,316.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,774,692.42 : 671,980,710.69 = 326,115,312.89 : x
  2. Step 2: Convert to fraction form
    486,774,692.42/671,980,710.69 = 326,115,312.89/x
  3. Step 3: Cross multiply
    486,774,692.42x = 671,980,710.69 × 326,115,312.89
  4. Step 4: Simplify right side
    486,774,692.42x = 219,143,199,719,354,016
  5. Step 5: Solve for x
    x = 219,143,199,719,354,016/486,774,692.42
  6. Step 6: Final answer
    x = 450,194,316.04

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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.