Home / 751,439,472.59-1,036,951,339.47-416,908,434.76

Finding the Fourth Proportional to 751,439,472.59, 1,036,951,339.47 and 416,908,434.76

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Solution

The fourth proportional to 751,439,472.59, 1,036,951,339.47 and 416,908,434.76 is: 575,314,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,439,472.59 : 1,036,951,339.47 = 416,908,434.76 : x
  2. Step 2: Convert to fraction form
    751,439,472.59/1,036,951,339.47 = 416,908,434.76/x
  3. Step 3: Cross multiply
    751,439,472.59x = 1,036,951,339.47 × 416,908,434.76
  4. Step 4: Simplify right side
    751,439,472.59x = 432,313,759,860,723,136
  5. Step 5: Solve for x
    x = 432,313,759,860,723,136/751,439,472.59
  6. Step 6: Final answer
    x = 575,314,147.89

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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.