Home / 488,839,308.90-674,577,711.50-277,160,379.89

Finding the Fourth Proportional to 488,839,308.90, 674,577,711.50 and 277,160,379.89

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Solution

The fourth proportional to 488,839,308.90, 674,577,711.50 and 277,160,379.89 is: 382,469,681.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,839,308.90 : 674,577,711.50 = 277,160,379.89 : x
  2. Step 2: Convert to fraction form
    488,839,308.90/674,577,711.50 = 277,160,379.89/x
  3. Step 3: Cross multiply
    488,839,308.90x = 674,577,711.50 × 277,160,379.89
  4. Step 4: Simplify right side
    488,839,308.90x = 186,966,214,779,908,128
  5. Step 5: Solve for x
    x = 186,966,214,779,908,128/488,839,308.90
  6. Step 6: Final answer
    x = 382,469,681.50

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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.