Home / 1,273,178,814.30-1,756,986,848.22-708,651,580.91

Finding the Fourth Proportional to 1,273,178,814.30, 1,756,986,848.22 and 708,651,580.91

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Solution

The fourth proportional to 1,273,178,814.30, 1,756,986,848.22 and 708,651,580.91 is: 977,939,228.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,178,814.30 : 1,756,986,848.22 = 708,651,580.91 : x
  2. Step 2: Convert to fraction form
    1,273,178,814.30/1,756,986,848.22 = 708,651,580.91/x
  3. Step 3: Cross multiply
    1,273,178,814.30x = 1,756,986,848.22 × 708,651,580.91
  4. Step 4: Simplify right side
    1,273,178,814.30x = 1,245,091,507,624,961,536
  5. Step 5: Solve for x
    x = 1,245,091,507,624,961,536/1,273,178,814.30
  6. Step 6: Final answer
    x = 977,939,228.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.