Home / 630,158,857.93-945,225,306.64-210,010,741.19

Finding the Fourth Proportional to 630,158,857.93, 945,225,306.64 and 210,010,741.19

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Solution

The fourth proportional to 630,158,857.93, 945,225,306.64 and 210,010,741.19 is: 315,011,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,158,857.93 : 945,225,306.64 = 210,010,741.19 : x
  2. Step 2: Convert to fraction form
    630,158,857.93/945,225,306.64 = 210,010,741.19/x
  3. Step 3: Cross multiply
    630,158,857.93x = 945,225,306.64 × 210,010,741.19
  4. Step 4: Simplify right side
    630,158,857.93x = 198,507,467,237,173,408
  5. Step 5: Solve for x
    x = 198,507,467,237,173,408/630,158,857.93
  6. Step 6: Final answer
    x = 315,011,785.90

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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.