Home / 986,187,677.96-1,360,939,729.32-534,069,154.90

Finding the Fourth Proportional to 986,187,677.96, 1,360,939,729.32 and 534,069,154.90

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Solution

The fourth proportional to 986,187,677.96, 1,360,939,729.32 and 534,069,154.90 is: 737,015,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,187,677.96 : 1,360,939,729.32 = 534,069,154.90 : x
  2. Step 2: Convert to fraction form
    986,187,677.96/1,360,939,729.32 = 534,069,154.90/x
  3. Step 3: Cross multiply
    986,187,677.96x = 1,360,939,729.32 × 534,069,154.90
  4. Step 4: Simplify right side
    986,187,677.96x = 726,835,931,107,767,040
  5. Step 5: Solve for x
    x = 726,835,931,107,767,040/986,187,677.96
  6. Step 6: Final answer
    x = 737,015,831.12

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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.