Home / 1,322,999,503.40-1,984,798,228.32-437,682,786.20

Finding the Fourth Proportional to 1,322,999,503.40, 1,984,798,228.32 and 437,682,786.20

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Solution

The fourth proportional to 1,322,999,503.40, 1,984,798,228.32 and 437,682,786.20 is: 656,623,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,999,503.40 : 1,984,798,228.32 = 437,682,786.20 : x
  2. Step 2: Convert to fraction form
    1,322,999,503.40/1,984,798,228.32 = 437,682,786.20/x
  3. Step 3: Cross multiply
    1,322,999,503.40x = 1,984,798,228.32 × 437,682,786.20
  4. Step 4: Simplify right side
    1,322,999,503.40x = 868,712,018,615,921,280
  5. Step 5: Solve for x
    x = 868,712,018,615,921,280/1,322,999,503.40
  6. Step 6: Final answer
    x = 656,623,087.45

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1.5x scale

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.