Home / 677,735,529.30-1,012,039,412.33-553,484,643.19

Finding the Fourth Proportional to 677,735,529.30, 1,012,039,412.33 and 553,484,643.19

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Solution

The fourth proportional to 677,735,529.30, 1,012,039,412.33 and 553,484,643.19 is: 826,499,790.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,735,529.30 : 1,012,039,412.33 = 553,484,643.19 : x
  2. Step 2: Convert to fraction form
    677,735,529.30/1,012,039,412.33 = 553,484,643.19/x
  3. Step 3: Cross multiply
    677,735,529.30x = 1,012,039,412.33 × 553,484,643.19
  4. Step 4: Simplify right side
    677,735,529.30x = 560,148,273,032,259,008
  5. Step 5: Solve for x
    x = 560,148,273,032,259,008/677,735,529.30
  6. Step 6: Final answer
    x = 826,499,790.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.