Home / 820,908,719.01-1,233,327,501.11-526,380,885.51

Finding the Fourth Proportional to 820,908,719.01, 1,233,327,501.11 and 526,380,885.51

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Solution

The fourth proportional to 820,908,719.01, 1,233,327,501.11 and 526,380,885.51 is: 790,830,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,908,719.01 : 1,233,327,501.11 = 526,380,885.51 : x
  2. Step 2: Convert to fraction form
    820,908,719.01/1,233,327,501.11 = 526,380,885.51/x
  3. Step 3: Cross multiply
    820,908,719.01x = 1,233,327,501.11 × 526,380,885.51
  4. Step 4: Simplify right side
    820,908,719.01x = 649,200,022,158,117,248
  5. Step 5: Solve for x
    x = 649,200,022,158,117,248/820,908,719.01
  6. Step 6: Final answer
    x = 790,830,950.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.