Home / 314,938,644.10-472,407,966.15-178,889,748.10

Finding the Fourth Proportional to 314,938,644.10, 472,407,966.15 and 178,889,748.10

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Solution

The fourth proportional to 314,938,644.10, 472,407,966.15 and 178,889,748.10 is: 268,334,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,938,644.10 : 472,407,966.15 = 178,889,748.10 : x
  2. Step 2: Convert to fraction form
    314,938,644.10/472,407,966.15 = 178,889,748.10/x
  3. Step 3: Cross multiply
    314,938,644.10x = 472,407,966.15 × 178,889,748.10
  4. Step 4: Simplify right side
    314,938,644.10x = 84,508,942,065,006,816
  5. Step 5: Solve for x
    x = 84,508,942,065,006,816/314,938,644.10
  6. Step 6: Final answer
    x = 268,334,622.15

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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.