Home / 710,463,015.54-1,065,767,607.18-268,178,240.07

Finding the Fourth Proportional to 710,463,015.54, 1,065,767,607.18 and 268,178,240.07

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Solution

The fourth proportional to 710,463,015.54, 1,065,767,607.18 and 268,178,240.07 is: 402,294,947.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,463,015.54 : 1,065,767,607.18 = 268,178,240.07 : x
  2. Step 2: Convert to fraction form
    710,463,015.54/1,065,767,607.18 = 268,178,240.07/x
  3. Step 3: Cross multiply
    710,463,015.54x = 1,065,767,607.18 × 268,178,240.07
  4. Step 4: Simplify right side
    710,463,015.54x = 285,815,681,217,147,488
  5. Step 5: Solve for x
    x = 285,815,681,217,147,488/710,463,015.54
  6. Step 6: Final answer
    x = 402,294,947.05

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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.