Home / 1,990,656,209.60-2,985,984,314.40-1,918,096,798.40

Finding the Fourth Proportional to 1,990,656,209.60, 2,985,984,314.40 and 1,918,096,798.40

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Solution

The fourth proportional to 1,990,656,209.60, 2,985,984,314.40 and 1,918,096,798.40 is: 2,877,145,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,656,209.60 : 2,985,984,314.40 = 1,918,096,798.40 : x
  2. Step 2: Convert to fraction form
    1,990,656,209.60/2,985,984,314.40 = 1,918,096,798.40/x
  3. Step 3: Cross multiply
    1,990,656,209.60x = 2,985,984,314.40 × 1,918,096,798.40
  4. Step 4: Simplify right side
    1,990,656,209.60x = 5,727,406,953,523,259,392
  5. Step 5: Solve for x
    x = 5,727,406,953,523,259,392/1,990,656,209.60
  6. Step 6: Final answer
    x = 2,877,145,197.60

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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.