Home / 1,901,256,898.90-2,849,872,542.06-639,519,882.22

Finding the Fourth Proportional to 1,901,256,898.90, 2,849,872,542.06 and 639,519,882.22

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Solution

The fourth proportional to 1,901,256,898.90, 2,849,872,542.06 and 639,519,882.22 is: 958,602,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,256,898.90 : 2,849,872,542.06 = 639,519,882.22 : x
  2. Step 2: Convert to fraction form
    1,901,256,898.90/2,849,872,542.06 = 639,519,882.22/x
  3. Step 3: Cross multiply
    1,901,256,898.90x = 2,849,872,542.06 × 639,519,882.22
  4. Step 4: Simplify right side
    1,901,256,898.90x = 1,822,550,152,440,223,232
  5. Step 5: Solve for x
    x = 1,822,550,152,440,223,232/1,901,256,898.90
  6. Step 6: Final answer
    x = 958,602,781.93

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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.