Home / 384,476,492.06-530,580,106.59-208,264,487.41

Finding the Fourth Proportional to 384,476,492.06, 530,580,106.59 and 208,264,487.41

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Solution

The fourth proportional to 384,476,492.06, 530,580,106.59 and 208,264,487.41 is: 287,406,372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,476,492.06 : 530,580,106.59 = 208,264,487.41 : x
  2. Step 2: Convert to fraction form
    384,476,492.06/530,580,106.59 = 208,264,487.41/x
  3. Step 3: Cross multiply
    384,476,492.06x = 530,580,106.59 × 208,264,487.41
  4. Step 4: Simplify right side
    384,476,492.06x = 110,500,993,928,791,744
  5. Step 5: Solve for x
    x = 110,500,993,928,791,744/384,476,492.06
  6. Step 6: Final answer
    x = 287,406,372.59

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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.