Home / 1,573,109,238,729.30-2,170,867,646,041.70-878,659,931,091.72

Finding the Fourth Proportional to 1,573,109,238,729.30, 2,170,867,646,041.70 and 878,659,931,091.72

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Solution

The fourth proportional to 1,573,109,238,729.30, 2,170,867,646,041.70 and 878,659,931,091.72 is: 1,212,537,800,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,109,238,729.30 : 2,170,867,646,041.70 = 878,659,931,091.72 : x
  2. Step 2: Convert to fraction form
    1,573,109,238,729.30/2,170,867,646,041.70 = 878,659,931,091.72/x
  3. Step 3: Cross multiply
    1,573,109,238,729.30x = 2,170,867,646,041.70 × 878,659,931,091.72
  4. Step 4: Simplify right side
    1,573,109,238,729.30x = 1,907,454,416,280,244,472,250,368
  5. Step 5: Solve for x
    x = 1,907,454,416,280,244,472,250,368/1,573,109,238,729.30
  6. Step 6: Final answer
    x = 1,212,537,800,503.30

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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.