Home / 839,990,877.92-1,159,014,352.52-482,689,641.14

Finding the Fourth Proportional to 839,990,877.92, 1,159,014,352.52 and 482,689,641.14

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Solution

The fourth proportional to 839,990,877.92, 1,159,014,352.52 and 482,689,641.14 is: 666,012,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,990,877.92 : 1,159,014,352.52 = 482,689,641.14 : x
  2. Step 2: Convert to fraction form
    839,990,877.92/1,159,014,352.52 = 482,689,641.14/x
  3. Step 3: Cross multiply
    839,990,877.92x = 1,159,014,352.52 × 482,689,641.14
  4. Step 4: Simplify right side
    839,990,877.92x = 559,444,221,893,988,224
  5. Step 5: Solve for x
    x = 559,444,221,893,988,224/839,990,877.92
  6. Step 6: Final answer
    x = 666,012,258.70

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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.