Home / 3,218,509,108.40-4,828,897,403.40-1,581,639,335.60

Finding the Fourth Proportional to 3,218,509,108.40, 4,828,897,403.40 and 1,581,639,335.60

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Solution

The fourth proportional to 3,218,509,108.40, 4,828,897,403.40 and 1,581,639,335.60 is: 2,373,016,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,509,108.40 : 4,828,897,403.40 = 1,581,639,335.60 : x
  2. Step 2: Convert to fraction form
    3,218,509,108.40/4,828,897,403.40 = 1,581,639,335.60/x
  3. Step 3: Cross multiply
    3,218,509,108.40x = 4,828,897,403.40 × 1,581,639,335.60
  4. Step 4: Simplify right side
    3,218,509,108.40x = 7,637,574,080,794,139,648
  5. Step 5: Solve for x
    x = 7,637,574,080,794,139,648/3,218,509,108.40
  6. Step 6: Final answer
    x = 2,373,016,146.16

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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.