Home / 30,586,782,102.32-42,204,155,982.84-17,038,082,091.40

Finding the Fourth Proportional to 30,586,782,102.32, 42,204,155,982.84 and 17,038,082,091.40

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Solution

The fourth proportional to 30,586,782,102.32, 42,204,155,982.84 and 17,038,082,091.40 is: 23,509,432,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,586,782,102.32 : 42,204,155,982.84 = 17,038,082,091.40 : x
  2. Step 2: Convert to fraction form
    30,586,782,102.32/42,204,155,982.84 = 17,038,082,091.40/x
  3. Step 3: Cross multiply
    30,586,782,102.32x = 42,204,155,982.84 × 17,038,082,091.40
  4. Step 4: Simplify right side
    30,586,782,102.32x = 719,077,874,233,878,249,472
  5. Step 5: Solve for x
    x = 719,077,874,233,878,249,472/30,586,782,102.32
  6. Step 6: Final answer
    x = 23,509,432,009.83

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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.