Home / 556,035,786.63-829,141,040.72-551,045,057.42

Finding the Fourth Proportional to 556,035,786.63, 829,141,040.72 and 551,045,057.42

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Solution

The fourth proportional to 556,035,786.63, 829,141,040.72 and 551,045,057.42 is: 821,699,040.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,035,786.63 : 829,141,040.72 = 551,045,057.42 : x
  2. Step 2: Convert to fraction form
    556,035,786.63/829,141,040.72 = 551,045,057.42/x
  3. Step 3: Cross multiply
    556,035,786.63x = 829,141,040.72 × 551,045,057.42
  4. Step 4: Simplify right side
    556,035,786.63x = 456,894,072,396,281,408
  5. Step 5: Solve for x
    x = 456,894,072,396,281,408/556,035,786.63
  6. Step 6: Final answer
    x = 821,699,040.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.