Home / 1,225,281,536.07-1,690,899,311.33-668,367,059.91

Finding the Fourth Proportional to 1,225,281,536.07, 1,690,899,311.33 and 668,367,059.91

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Solution

The fourth proportional to 1,225,281,536.07, 1,690,899,311.33 and 668,367,059.91 is: 922,352,429.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,281,536.07 : 1,690,899,311.33 = 668,367,059.91 : x
  2. Step 2: Convert to fraction form
    1,225,281,536.07/1,690,899,311.33 = 668,367,059.91/x
  3. Step 3: Cross multiply
    1,225,281,536.07x = 1,690,899,311.33 × 668,367,059.91
  4. Step 4: Simplify right side
    1,225,281,536.07x = 1,130,141,401,317,475,712
  5. Step 5: Solve for x
    x = 1,130,141,401,317,475,712/1,225,281,536.07
  6. Step 6: Final answer
    x = 922,352,429.26

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1.5x scale

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.