Home / 929,146,953.42-1,393,720,429.86-346,926,667.32

Finding the Fourth Proportional to 929,146,953.42, 1,393,720,429.86 and 346,926,667.32

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Solution

The fourth proportional to 929,146,953.42, 1,393,720,429.86 and 346,926,667.32 is: 520,390,000.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,146,953.42 : 1,393,720,429.86 = 346,926,667.32 : x
  2. Step 2: Convert to fraction form
    929,146,953.42/1,393,720,429.86 = 346,926,667.32/x
  3. Step 3: Cross multiply
    929,146,953.42x = 1,393,720,429.86 × 346,926,667.32
  4. Step 4: Simplify right side
    929,146,953.42x = 483,518,783,907,127,552
  5. Step 5: Solve for x
    x = 483,518,783,907,127,552/929,146,953.42
  6. Step 6: Final answer
    x = 520,390,000.88

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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.