Home / 638,230,509.60-957,345,764.40-529,391,392.80

Finding the Fourth Proportional to 638,230,509.60, 957,345,764.40 and 529,391,392.80

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Solution

The fourth proportional to 638,230,509.60, 957,345,764.40 and 529,391,392.80 is: 794,087,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,230,509.60 : 957,345,764.40 = 529,391,392.80 : x
  2. Step 2: Convert to fraction form
    638,230,509.60/957,345,764.40 = 529,391,392.80/x
  3. Step 3: Cross multiply
    638,230,509.60x = 957,345,764.40 × 529,391,392.80
  4. Step 4: Simplify right side
    638,230,509.60x = 506,810,607,606,896,640
  5. Step 5: Solve for x
    x = 506,810,607,606,896,640/638,230,509.60
  6. Step 6: Final answer
    x = 794,087,089.20

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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.