Home / 980,573,303.73-1,353,142,252.68-557,131,032.97

Finding the Fourth Proportional to 980,573,303.73, 1,353,142,252.68 and 557,131,032.97

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Solution

The fourth proportional to 980,573,303.73, 1,353,142,252.68 and 557,131,032.97 is: 768,813,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,573,303.73 : 1,353,142,252.68 = 557,131,032.97 : x
  2. Step 2: Convert to fraction form
    980,573,303.73/1,353,142,252.68 = 557,131,032.97/x
  3. Step 3: Cross multiply
    980,573,303.73x = 1,353,142,252.68 × 557,131,032.97
  4. Step 4: Simplify right side
    980,573,303.73x = 753,877,540,990,961,280
  5. Step 5: Solve for x
    x = 753,877,540,990,961,280/980,573,303.73
  6. Step 6: Final answer
    x = 768,813,038.38

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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.