Home / 418,912,802.30-627,938,050.98-185,853,271.88

Finding the Fourth Proportional to 418,912,802.30, 627,938,050.98 and 185,853,271.88

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Solution

The fourth proportional to 418,912,802.30, 627,938,050.98 and 185,853,271.88 is: 278,588,624.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,912,802.30 : 627,938,050.98 = 185,853,271.88 : x
  2. Step 2: Convert to fraction form
    418,912,802.30/627,938,050.98 = 185,853,271.88/x
  3. Step 3: Cross multiply
    418,912,802.30x = 627,938,050.98 × 185,853,271.88
  4. Step 4: Simplify right side
    418,912,802.30x = 116,704,341,312,583,248
  5. Step 5: Solve for x
    x = 116,704,341,312,583,248/418,912,802.30
  6. Step 6: Final answer
    x = 278,588,624.34

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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.