Home / 277,639,644.40-416,176,031.40-162,564,953.20

Finding the Fourth Proportional to 277,639,644.40, 416,176,031.40 and 162,564,953.20

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Solution

The fourth proportional to 277,639,644.40, 416,176,031.40 and 162,564,953.20 is: 243,681,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,639,644.40 : 416,176,031.40 = 162,564,953.20 : x
  2. Step 2: Convert to fraction form
    277,639,644.40/416,176,031.40 = 162,564,953.20/x
  3. Step 3: Cross multiply
    277,639,644.40x = 416,176,031.40 × 162,564,953.20
  4. Step 4: Simplify right side
    277,639,644.40x = 67,655,637,067,502,720
  5. Step 5: Solve for x
    x = 67,655,637,067,502,720/277,639,644.40
  6. Step 6: Final answer
    x = 243,681,471.40

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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.