Home / 315,044,364.70-472,566,547.05-272,577,036.70

Finding the Fourth Proportional to 315,044,364.70, 472,566,547.05 and 272,577,036.70

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Solution

The fourth proportional to 315,044,364.70, 472,566,547.05 and 272,577,036.70 is: 408,865,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,044,364.70 : 472,566,547.05 = 272,577,036.70 : x
  2. Step 2: Convert to fraction form
    315,044,364.70/472,566,547.05 = 272,577,036.70/x
  3. Step 3: Cross multiply
    315,044,364.70x = 472,566,547.05 × 272,577,036.70
  4. Step 4: Simplify right side
    315,044,364.70x = 128,810,789,038,440,128
  5. Step 5: Solve for x
    x = 128,810,789,038,440,128/315,044,364.70
  6. Step 6: Final answer
    x = 408,865,555.05

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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.