Home / 30,556,610,885.76-42,168,124,966.64-17,007,956,379.52

Finding the Fourth Proportional to 30,556,610,885.76, 42,168,124,966.64 and 17,007,956,379.52

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Solution

The fourth proportional to 30,556,610,885.76, 42,168,124,966.64 and 17,007,956,379.52 is: 23,470,980,885.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556,610,885.76 : 42,168,124,966.64 = 17,007,956,379.52 : x
  2. Step 2: Convert to fraction form
    30,556,610,885.76/42,168,124,966.64 = 17,007,956,379.52/x
  3. Step 3: Cross multiply
    30,556,610,885.76x = 42,168,124,966.64 × 17,007,956,379.52
  4. Step 4: Simplify right side
    30,556,610,885.76x = 717,193,630,038,761,406,464
  5. Step 5: Solve for x
    x = 717,193,630,038,761,406,464/30,556,610,885.76
  6. Step 6: Final answer
    x = 23,470,980,885.94

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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.