Home / 317,963,999.80-476,945,999.70-249,089,246.20

Finding the Fourth Proportional to 317,963,999.80, 476,945,999.70 and 249,089,246.20

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Solution

The fourth proportional to 317,963,999.80, 476,945,999.70 and 249,089,246.20 is: 373,633,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,963,999.80 : 476,945,999.70 = 249,089,246.20 : x
  2. Step 2: Convert to fraction form
    317,963,999.80/476,945,999.70 = 249,089,246.20/x
  3. Step 3: Cross multiply
    317,963,999.80x = 476,945,999.70 × 249,089,246.20
  4. Step 4: Simplify right side
    317,963,999.80x = 118,802,119,543,378,416
  5. Step 5: Solve for x
    x = 118,802,119,543,378,416/317,963,999.80
  6. Step 6: Final answer
    x = 373,633,869.30

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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.