Home / 1,034,908,970.40-1,552,788,608.40-380,173,658.40

Finding the Fourth Proportional to 1,034,908,970.40, 1,552,788,608.40 and 380,173,658.40

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Solution

The fourth proportional to 1,034,908,970.40, 1,552,788,608.40 and 380,173,658.40 is: 570,416,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,908,970.40 : 1,552,788,608.40 = 380,173,658.40 : x
  2. Step 2: Convert to fraction form
    1,034,908,970.40/1,552,788,608.40 = 380,173,658.40/x
  3. Step 3: Cross multiply
    1,034,908,970.40x = 1,552,788,608.40 × 380,173,658.40
  4. Step 4: Simplify right side
    1,034,908,970.40x = 590,329,325,977,272,960
  5. Step 5: Solve for x
    x = 590,329,325,977,272,960/1,034,908,970.40
  6. Step 6: Final answer
    x = 570,416,667.42

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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.