Home / 785,230,153.56-1,083,553,894.44-455,226,550.20

Finding the Fourth Proportional to 785,230,153.56, 1,083,553,894.44 and 455,226,550.20

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Solution

The fourth proportional to 785,230,153.56, 1,083,553,894.44 and 455,226,550.20 is: 628,175,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,230,153.56 : 1,083,553,894.44 = 455,226,550.20 : x
  2. Step 2: Convert to fraction form
    785,230,153.56/1,083,553,894.44 = 455,226,550.20/x
  3. Step 3: Cross multiply
    785,230,153.56x = 1,083,553,894.44 × 455,226,550.20
  4. Step 4: Simplify right side
    785,230,153.56x = 493,262,501,321,696,192
  5. Step 5: Solve for x
    x = 493,262,501,321,696,192/785,230,153.56
  6. Step 6: Final answer
    x = 628,175,699.93

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1.5x scale

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.