Home / 1,991,208,388.60-2,984,261,666.10-1,771,829,543.80

Finding the Fourth Proportional to 1,991,208,388.60, 2,984,261,666.10 and 1,771,829,543.80

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Solution

The fourth proportional to 1,991,208,388.60, 2,984,261,666.10 and 1,771,829,543.80 is: 2,655,474,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,208,388.60 : 2,984,261,666.10 = 1,771,829,543.80 : x
  2. Step 2: Convert to fraction form
    1,991,208,388.60/2,984,261,666.10 = 1,771,829,543.80/x
  3. Step 3: Cross multiply
    1,991,208,388.60x = 2,984,261,666.10 × 1,771,829,543.80
  4. Step 4: Simplify right side
    1,991,208,388.60x = 5,287,602,986,425,790,464
  5. Step 5: Solve for x
    x = 5,287,602,986,425,790,464/1,991,208,388.60
  6. Step 6: Final answer
    x = 2,655,474,442.91

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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.