Home / 357,492,380.28-493,380,817.61-208,850,657.63

Finding the Fourth Proportional to 357,492,380.28, 493,380,817.61 and 208,850,657.63

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Solution

The fourth proportional to 357,492,380.28, 493,380,817.61 and 208,850,657.63 is: 288,238,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,492,380.28 : 493,380,817.61 = 208,850,657.63 : x
  2. Step 2: Convert to fraction form
    357,492,380.28/493,380,817.61 = 208,850,657.63/x
  3. Step 3: Cross multiply
    357,492,380.28x = 493,380,817.61 × 208,850,657.63
  4. Step 4: Simplify right side
    357,492,380.28x = 103,042,908,219,142,160
  5. Step 5: Solve for x
    x = 103,042,908,219,142,160/357,492,380.28
  6. Step 6: Final answer
    x = 288,238,054.58

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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.