Home / 751,303,339,931.65-1,036,741,709,781.30-421,642,709,934.58

Finding the Fourth Proportional to 751,303,339,931.65, 1,036,741,709,781.30 and 421,642,709,934.58

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Solution

The fourth proportional to 751,303,339,931.65, 1,036,741,709,781.30 and 421,642,709,934.58 is: 581,835,006,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,303,339,931.65 : 1,036,741,709,781.30 = 421,642,709,934.58 : x
  2. Step 2: Convert to fraction form
    751,303,339,931.65/1,036,741,709,781.30 = 421,642,709,934.58/x
  3. Step 3: Cross multiply
    751,303,339,931.65x = 1,036,741,709,781.30 × 421,642,709,934.58
  4. Step 4: Simplify right side
    751,303,339,931.65x = 437,134,584,014,397,228,711,936
  5. Step 5: Solve for x
    x = 437,134,584,014,397,228,711,936/751,303,339,931.65
  6. Step 6: Final answer
    x = 581,835,006,954.94

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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.