Home / 315,044,365.20-472,566,547.80-272,577,037.20

Finding the Fourth Proportional to 315,044,365.20, 472,566,547.80 and 272,577,037.20

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Solution

The fourth proportional to 315,044,365.20, 472,566,547.80 and 272,577,037.20 is: 408,865,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,044,365.20 : 472,566,547.80 = 272,577,037.20 : x
  2. Step 2: Convert to fraction form
    315,044,365.20/472,566,547.80 = 272,577,037.20/x
  3. Step 3: Cross multiply
    315,044,365.20x = 472,566,547.80 × 272,577,037.20
  4. Step 4: Simplify right side
    315,044,365.20x = 128,810,789,479,156,176
  5. Step 5: Solve for x
    x = 128,810,789,479,156,176/315,044,365.20
  6. Step 6: Final answer
    x = 408,865,555.80

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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.