Home / 1,765,137,965.81-2,436,001,018.85-972,183,787.25

Finding the Fourth Proportional to 1,765,137,965.81, 2,436,001,018.85 and 972,183,787.25

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Solution

The fourth proportional to 1,765,137,965.81, 2,436,001,018.85 and 972,183,787.25 is: 1,341,674,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,137,965.81 : 2,436,001,018.85 = 972,183,787.25 : x
  2. Step 2: Convert to fraction form
    1,765,137,965.81/2,436,001,018.85 = 972,183,787.25/x
  3. Step 3: Cross multiply
    1,765,137,965.81x = 2,436,001,018.85 × 972,183,787.25
  4. Step 4: Simplify right side
    1,765,137,965.81x = 2,368,240,696,240,701,952
  5. Step 5: Solve for x
    x = 2,368,240,696,240,701,952/1,765,137,965.81
  6. Step 6: Final answer
    x = 1,341,674,555.82

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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.