Home / 27,303,879,431.04-37,677,833,734.87-15,095,878,757.64

Finding the Fourth Proportional to 27,303,879,431.04, 37,677,833,734.87 and 15,095,878,757.64

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Solution

The fourth proportional to 27,303,879,431.04, 37,677,833,734.87 and 15,095,878,757.64 is: 20,831,472,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,303,879,431.04 : 37,677,833,734.87 = 15,095,878,757.64 : x
  2. Step 2: Convert to fraction form
    27,303,879,431.04/37,677,833,734.87 = 15,095,878,757.64/x
  3. Step 3: Cross multiply
    27,303,879,431.04x = 37,677,833,734.87 × 15,095,878,757.64
  4. Step 4: Simplify right side
    27,303,879,431.04x = 568,780,009,912,115,855,360
  5. Step 5: Solve for x
    x = 568,780,009,912,115,855,360/27,303,879,431.04
  6. Step 6: Final answer
    x = 20,831,472,368.19

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Double scale
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1.5x scale

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.