Home / 357,696,005.40-536,544,008.10-293,072,779.80

Finding the Fourth Proportional to 357,696,005.40, 536,544,008.10 and 293,072,779.80

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Solution

The fourth proportional to 357,696,005.40, 536,544,008.10 and 293,072,779.80 is: 439,609,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,696,005.40 : 536,544,008.10 = 293,072,779.80 : x
  2. Step 2: Convert to fraction form
    357,696,005.40/536,544,008.10 = 293,072,779.80/x
  3. Step 3: Cross multiply
    357,696,005.40x = 536,544,008.10 × 293,072,779.80
  4. Step 4: Simplify right side
    357,696,005.40x = 157,246,443,938,900,736
  5. Step 5: Solve for x
    x = 157,246,443,938,900,736/357,696,005.40
  6. Step 6: Final answer
    x = 439,609,169.70

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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.