Home / 314,938,468.60-472,407,702.90-178,889,572.60

Finding the Fourth Proportional to 314,938,468.60, 472,407,702.90 and 178,889,572.60

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Solution

The fourth proportional to 314,938,468.60, 472,407,702.90 and 178,889,572.60 is: 268,334,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,938,468.60 : 472,407,702.90 = 178,889,572.60 : x
  2. Step 2: Convert to fraction form
    314,938,468.60/472,407,702.90 = 178,889,572.60/x
  3. Step 3: Cross multiply
    314,938,468.60x = 472,407,702.90 × 178,889,572.60
  4. Step 4: Simplify right side
    314,938,468.60x = 84,508,812,064,728,768
  5. Step 5: Solve for x
    x = 84,508,812,064,728,768/314,938,468.60
  6. Step 6: Final answer
    x = 268,334,358.90

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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.