Home / 431,224,478.31-595,089,782.80-245,602,765.83

Finding the Fourth Proportional to 431,224,478.31, 595,089,782.80 and 245,602,765.83

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Solution

The fourth proportional to 431,224,478.31, 595,089,782.80 and 245,602,765.83 is: 338,931,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,224,478.31 : 595,089,782.80 = 245,602,765.83 : x
  2. Step 2: Convert to fraction form
    431,224,478.31/595,089,782.80 = 245,602,765.83/x
  3. Step 3: Cross multiply
    431,224,478.31x = 595,089,782.80 × 245,602,765.83
  4. Step 4: Simplify right side
    431,224,478.31x = 146,155,696,572,239,968
  5. Step 5: Solve for x
    x = 146,155,696,572,239,968/431,224,478.31
  6. Step 6: Final answer
    x = 338,931,818.40

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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.