Home / 309,495,479.04-463,860,581.04-156,185,379.36

Finding the Fourth Proportional to 309,495,479.04, 463,860,581.04 and 156,185,379.36

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Solution

The fourth proportional to 309,495,479.04, 463,860,581.04 and 156,185,379.36 is: 234,084,972.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,495,479.04 : 463,860,581.04 = 156,185,379.36 : x
  2. Step 2: Convert to fraction form
    309,495,479.04/463,860,581.04 = 156,185,379.36/x
  3. Step 3: Cross multiply
    309,495,479.04x = 463,860,581.04 × 156,185,379.36
  4. Step 4: Simplify right side
    309,495,479.04x = 72,448,240,819,882,432
  5. Step 5: Solve for x
    x = 72,448,240,819,882,432/309,495,479.04
  6. Step 6: Final answer
    x = 234,084,972.89

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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.