Home / 1,083,585,769.84-1,495,322,928.92-637,578,020.72

Finding the Fourth Proportional to 1,083,585,769.84, 1,495,322,928.92 and 637,578,020.72

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Solution

The fourth proportional to 1,083,585,769.84, 1,495,322,928.92 and 637,578,020.72 is: 879,842,703.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,585,769.84 : 1,495,322,928.92 = 637,578,020.72 : x
  2. Step 2: Convert to fraction form
    1,083,585,769.84/1,495,322,928.92 = 637,578,020.72/x
  3. Step 3: Cross multiply
    1,083,585,769.84x = 1,495,322,928.92 × 637,578,020.72
  4. Step 4: Simplify right side
    1,083,585,769.84x = 953,385,033,358,046,976
  5. Step 5: Solve for x
    x = 953,385,033,358,046,976/1,083,585,769.84
  6. Step 6: Final answer
    x = 879,842,703.64

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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.