Home / 385,563,068.19-532,077,664.02-209,351,404.35

Finding the Fourth Proportional to 385,563,068.19, 532,077,664.02 and 209,351,404.35

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Solution

The fourth proportional to 385,563,068.19, 532,077,664.02 and 209,351,404.35 is: 288,905,280.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,563,068.19 : 532,077,664.02 = 209,351,404.35 : x
  2. Step 2: Convert to fraction form
    385,563,068.19/532,077,664.02 = 209,351,404.35/x
  3. Step 3: Cross multiply
    385,563,068.19x = 532,077,664.02 × 209,351,404.35
  4. Step 4: Simplify right side
    385,563,068.19x = 111,391,206,185,854,464
  5. Step 5: Solve for x
    x = 111,391,206,185,854,464/385,563,068.19
  6. Step 6: Final answer
    x = 288,905,280.03

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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.