Home / 699,979,845.12-1,048,984,030.08-535,581,104.64

Finding the Fourth Proportional to 699,979,845.12, 1,048,984,030.08 and 535,581,104.64

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Solution

The fourth proportional to 699,979,845.12, 1,048,984,030.08 and 535,581,104.64 is: 802,617,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,979,845.12 : 1,048,984,030.08 = 535,581,104.64 : x
  2. Step 2: Convert to fraction form
    699,979,845.12/1,048,984,030.08 = 535,581,104.64/x
  3. Step 3: Cross multiply
    699,979,845.12x = 1,048,984,030.08 × 535,581,104.64
  4. Step 4: Simplify right side
    699,979,845.12x = 561,816,025,579,965,376
  5. Step 5: Solve for x
    x = 561,816,025,579,965,376/699,979,845.12
  6. Step 6: Final answer
    x = 802,617,431.77

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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.