Home / 699,114,078.40-1,047,794,233.20-370,779,200.32

Finding the Fourth Proportional to 699,114,078.40, 1,047,794,233.20 and 370,779,200.32

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Solution

The fourth proportional to 699,114,078.40, 1,047,794,233.20 and 370,779,200.32 is: 555,703,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,114,078.40 : 1,047,794,233.20 = 370,779,200.32 : x
  2. Step 2: Convert to fraction form
    699,114,078.40/1,047,794,233.20 = 370,779,200.32/x
  3. Step 3: Cross multiply
    699,114,078.40x = 1,047,794,233.20 × 370,779,200.32
  4. Step 4: Simplify right side
    699,114,078.40x = 388,500,307,885,803,584
  5. Step 5: Solve for x
    x = 388,500,307,885,803,584/699,114,078.40
  6. Step 6: Final answer
    x = 555,703,739.76

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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.