Home / 38,396,863,870.91-52,986,475,423.12-21,248,685,402.04

Finding the Fourth Proportional to 38,396,863,870.91, 52,986,475,423.12 and 21,248,685,402.04

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Solution

The fourth proportional to 38,396,863,870.91, 52,986,475,423.12 and 21,248,685,402.04 is: 29,322,523,595.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,396,863,870.91 : 52,986,475,423.12 = 21,248,685,402.04 : x
  2. Step 2: Convert to fraction form
    38,396,863,870.91/52,986,475,423.12 = 21,248,685,402.04/x
  3. Step 3: Cross multiply
    38,396,863,870.91x = 52,986,475,423.12 × 21,248,685,402.04
  4. Step 4: Simplify right side
    38,396,863,870.91x = 1,125,892,946,828,620,988,416
  5. Step 5: Solve for x
    x = 1,125,892,946,828,620,988,416/38,396,863,870.91
  6. Step 6: Final answer
    x = 29,322,523,595.00

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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.