Home / 517,918,529.32-776,354,211.58-223,005,975.22

Finding the Fourth Proportional to 517,918,529.32, 776,354,211.58 and 223,005,975.22

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Solution

The fourth proportional to 517,918,529.32, 776,354,211.58 and 223,005,975.22 is: 334,283,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,918,529.32 : 776,354,211.58 = 223,005,975.22 : x
  2. Step 2: Convert to fraction form
    517,918,529.32/776,354,211.58 = 223,005,975.22/x
  3. Step 3: Cross multiply
    517,918,529.32x = 776,354,211.58 × 223,005,975.22
  4. Step 4: Simplify right side
    517,918,529.32x = 173,131,628,069,552,128
  5. Step 5: Solve for x
    x = 173,131,628,069,552,128/517,918,529.32
  6. Step 6: Final answer
    x = 334,283,518.10

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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.