Home / 1,309,952,984,482.80-1,964,969,506,877.40-449,415,082,979.28

Finding the Fourth Proportional to 1,309,952,984,482.80, 1,964,969,506,877.40 and 449,415,082,979.28

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Solution

The fourth proportional to 1,309,952,984,482.80, 1,964,969,506,877.40 and 449,415,082,979.28 is: 674,136,357,904.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,952,984,482.80 : 1,964,969,506,877.40 = 449,415,082,979.28 : x
  2. Step 2: Convert to fraction form
    1,309,952,984,482.80/1,964,969,506,877.40 = 449,415,082,979.28/x
  3. Step 3: Cross multiply
    1,309,952,984,482.80x = 1,964,969,506,877.40 × 449,415,082,979.28
  4. Step 4: Simplify right side
    1,309,952,984,482.80x = 883,086,933,985,061,672,845,312
  5. Step 5: Solve for x
    x = 883,086,933,985,061,672,845,312/1,309,952,984,482.80
  6. Step 6: Final answer
    x = 674,136,357,904.27

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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.