Home / 872,269,831.07-1,203,736,109.18-475,801,460.63

Finding the Fourth Proportional to 872,269,831.07, 1,203,736,109.18 and 475,801,460.63

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Solution

The fourth proportional to 872,269,831.07, 1,203,736,109.18 and 475,801,460.63 is: 656,608,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,269,831.07 : 1,203,736,109.18 = 475,801,460.63 : x
  2. Step 2: Convert to fraction form
    872,269,831.07/1,203,736,109.18 = 475,801,460.63/x
  3. Step 3: Cross multiply
    872,269,831.07x = 1,203,736,109.18 × 475,801,460.63
  4. Step 4: Simplify right side
    872,269,831.07x = 572,739,398,952,519,424
  5. Step 5: Solve for x
    x = 572,739,398,952,519,424/872,269,831.07
  6. Step 6: Final answer
    x = 656,608,057.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.