Home / 1,008,311,017,893.20-1,391,502,393,637.50-551,559,049,386.61

Finding the Fourth Proportional to 1,008,311,017,893.20, 1,391,502,393,637.50 and 551,559,049,386.61

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Solution

The fourth proportional to 1,008,311,017,893.20, 1,391,502,393,637.50 and 551,559,049,386.61 is: 761,169,642,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,311,017,893.20 : 1,391,502,393,637.50 = 551,559,049,386.61 : x
  2. Step 2: Convert to fraction form
    1,008,311,017,893.20/1,391,502,393,637.50 = 551,559,049,386.61/x
  3. Step 3: Cross multiply
    1,008,311,017,893.20x = 1,391,502,393,637.50 × 551,559,049,386.61
  4. Step 4: Simplify right side
    1,008,311,017,893.20x = 767,495,737,453,891,821,764,608
  5. Step 5: Solve for x
    x = 767,495,737,453,891,821,764,608/1,008,311,017,893.20
  6. Step 6: Final answer
    x = 761,169,642,931.73

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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.