Home / 3,145,211,999.40-4,717,817,999.10-1,920,771,935.40

Finding the Fourth Proportional to 3,145,211,999.40, 4,717,817,999.10 and 1,920,771,935.40

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Solution

The fourth proportional to 3,145,211,999.40, 4,717,817,999.10 and 1,920,771,935.40 is: 2,881,157,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,211,999.40 : 4,717,817,999.10 = 1,920,771,935.40 : x
  2. Step 2: Convert to fraction form
    3,145,211,999.40/4,717,817,999.10 = 1,920,771,935.40/x
  3. Step 3: Cross multiply
    3,145,211,999.40x = 4,717,817,999.10 × 1,920,771,935.40
  4. Step 4: Simplify right side
    3,145,211,999.40x = 9,061,852,408,996,263,936
  5. Step 5: Solve for x
    x = 9,061,852,408,996,263,936/3,145,211,999.40
  6. Step 6: Final answer
    x = 2,881,157,903.10

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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.