Home / 1,990,656,195.80-2,985,984,293.70-610,459,741.40

Finding the Fourth Proportional to 1,990,656,195.80, 2,985,984,293.70 and 610,459,741.40

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Solution

The fourth proportional to 1,990,656,195.80, 2,985,984,293.70 and 610,459,741.40 is: 915,689,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,656,195.80 : 2,985,984,293.70 = 610,459,741.40 : x
  2. Step 2: Convert to fraction form
    1,990,656,195.80/2,985,984,293.70 = 610,459,741.40/x
  3. Step 3: Cross multiply
    1,990,656,195.80x = 2,985,984,293.70 × 610,459,741.40
  4. Step 4: Simplify right side
    1,990,656,195.80x = 1,822,823,199,756,563,456
  5. Step 5: Solve for x
    x = 1,822,823,199,756,563,456/1,990,656,195.80
  6. Step 6: Final answer
    x = 915,689,612.10

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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.