Home / 885,911,701.80-1,328,867,552.70-472,663,180.20

Finding the Fourth Proportional to 885,911,701.80, 1,328,867,552.70 and 472,663,180.20

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Solution

The fourth proportional to 885,911,701.80, 1,328,867,552.70 and 472,663,180.20 is: 708,994,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,911,701.80 : 1,328,867,552.70 = 472,663,180.20 : x
  2. Step 2: Convert to fraction form
    885,911,701.80/1,328,867,552.70 = 472,663,180.20/x
  3. Step 3: Cross multiply
    885,911,701.80x = 1,328,867,552.70 × 472,663,180.20
  4. Step 4: Simplify right side
    885,911,701.80x = 628,106,763,523,773,056
  5. Step 5: Solve for x
    x = 628,106,763,523,773,056/885,911,701.80
  6. Step 6: Final answer
    x = 708,994,770.30

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.