Home / 705,001,041,618.22-972,904,732,101.20-400,523,405,110.66

Finding the Fourth Proportional to 705,001,041,618.22, 972,904,732,101.20 and 400,523,405,110.66

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Solution

The fourth proportional to 705,001,041,618.22, 972,904,732,101.20 and 400,523,405,110.66 is: 552,724,170,811.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,001,041,618.22 : 972,904,732,101.20 = 400,523,405,110.66 : x
  2. Step 2: Convert to fraction form
    705,001,041,618.22/972,904,732,101.20 = 400,523,405,110.66/x
  3. Step 3: Cross multiply
    705,001,041,618.22x = 972,904,732,101.20 × 400,523,405,110.66
  4. Step 4: Simplify right side
    705,001,041,618.22x = 389,671,116,149,447,041,482,752
  5. Step 5: Solve for x
    x = 389,671,116,149,447,041,482,752/705,001,041,618.22
  6. Step 6: Final answer
    x = 552,724,170,811.18

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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.