Home / 314,908,439.10-472,362,658.65-178,859,543.10

Finding the Fourth Proportional to 314,908,439.10, 472,362,658.65 and 178,859,543.10

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Solution

The fourth proportional to 314,908,439.10, 472,362,658.65 and 178,859,543.10 is: 268,289,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,908,439.10 : 472,362,658.65 = 178,859,543.10 : x
  2. Step 2: Convert to fraction form
    314,908,439.10/472,362,658.65 = 178,859,543.10/x
  3. Step 3: Cross multiply
    314,908,439.10x = 472,362,658.65 × 178,859,543.10
  4. Step 4: Simplify right side
    314,908,439.10x = 84,486,569,303,640,256
  5. Step 5: Solve for x
    x = 84,486,569,303,640,256/314,908,439.10
  6. Step 6: Final answer
    x = 268,289,314.65

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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.