Home / 342,657,908.46-513,148,607.47-309,495,616.45

Finding the Fourth Proportional to 342,657,908.46, 513,148,607.47 and 309,495,616.45

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Solution

The fourth proportional to 342,657,908.46, 513,148,607.47 and 309,495,616.45 is: 463,486,295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,657,908.46 : 513,148,607.47 = 309,495,616.45 : x
  2. Step 2: Convert to fraction form
    342,657,908.46/513,148,607.47 = 309,495,616.45/x
  3. Step 3: Cross multiply
    342,657,908.46x = 513,148,607.47 × 309,495,616.45
  4. Step 4: Simplify right side
    342,657,908.46x = 158,817,244,597,330,112
  5. Step 5: Solve for x
    x = 158,817,244,597,330,112/342,657,908.46
  6. Step 6: Final answer
    x = 463,486,295.45

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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.