Home / 1,065,142,464.30-1,596,579,955.65-409,840,281.90

Finding the Fourth Proportional to 1,065,142,464.30, 1,596,579,955.65 and 409,840,281.90

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Solution

The fourth proportional to 1,065,142,464.30, 1,596,579,955.65 and 409,840,281.90 is: 614,324,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,142,464.30 : 1,596,579,955.65 = 409,840,281.90 : x
  2. Step 2: Convert to fraction form
    1,065,142,464.30/1,596,579,955.65 = 409,840,281.90/x
  3. Step 3: Cross multiply
    1,065,142,464.30x = 1,596,579,955.65 × 409,840,281.90
  4. Step 4: Simplify right side
    1,065,142,464.30x = 654,342,779,099,485,440
  5. Step 5: Solve for x
    x = 654,342,779,099,485,440/1,065,142,464.30
  6. Step 6: Final answer
    x = 614,324,187.64

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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.