Home / 30,790,396,088.64-42,490,744,868.16-16,709,335,352.64

Finding the Fourth Proportional to 30,790,396,088.64, 42,490,744,868.16 and 16,709,335,352.64

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Solution

The fourth proportional to 30,790,396,088.64, 42,490,744,868.16 and 16,709,335,352.64 is: 23,058,881,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,790,396,088.64 : 42,490,744,868.16 = 16,709,335,352.64 : x
  2. Step 2: Convert to fraction form
    30,790,396,088.64/42,490,744,868.16 = 16,709,335,352.64/x
  3. Step 3: Cross multiply
    30,790,396,088.64x = 42,490,744,868.16 × 16,709,335,352.64
  4. Step 4: Simplify right side
    30,790,396,088.64x = 709,992,105,385,552,642,048
  5. Step 5: Solve for x
    x = 709,992,105,385,552,642,048/30,790,396,088.64
  6. Step 6: Final answer
    x = 23,058,881,845.55

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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.