Home / 942,705,799.20-1,300,882,853.34-519,237,076.68

Finding the Fourth Proportional to 942,705,799.20, 1,300,882,853.34 and 519,237,076.68

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Solution

The fourth proportional to 942,705,799.20, 1,300,882,853.34 and 519,237,076.68 is: 716,518,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,705,799.20 : 1,300,882,853.34 = 519,237,076.68 : x
  2. Step 2: Convert to fraction form
    942,705,799.20/1,300,882,853.34 = 519,237,076.68/x
  3. Step 3: Cross multiply
    942,705,799.20x = 1,300,882,853.34 × 519,237,076.68
  4. Step 4: Simplify right side
    942,705,799.20x = 675,466,609,871,398,784
  5. Step 5: Solve for x
    x = 675,466,609,871,398,784/942,705,799.20
  6. Step 6: Final answer
    x = 716,518,992.93

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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.