Home / 438,939,652,337.70-658,409,478,506.55-159,731,038,040.10

Finding the Fourth Proportional to 438,939,652,337.70, 658,409,478,506.55 and 159,731,038,040.10

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Solution

The fourth proportional to 438,939,652,337.70, 658,409,478,506.55 and 159,731,038,040.10 is: 239,596,557,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,939,652,337.70 : 658,409,478,506.55 = 159,731,038,040.10 : x
  2. Step 2: Convert to fraction form
    438,939,652,337.70/658,409,478,506.55 = 159,731,038,040.10/x
  3. Step 3: Cross multiply
    438,939,652,337.70x = 658,409,478,506.55 × 159,731,038,040.10
  4. Step 4: Simplify right side
    438,939,652,337.70x = 105,168,429,457,292,149,129,216
  5. Step 5: Solve for x
    x = 105,168,429,457,292,149,129,216/438,939,652,337.70
  6. Step 6: Final answer
    x = 239,596,557,060.15

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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.