Home / 384,990,508.60-577,569,743.70-112,339,065.40

Finding the Fourth Proportional to 384,990,508.60, 577,569,743.70 and 112,339,065.40

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Solution

The fourth proportional to 384,990,508.60, 577,569,743.70 and 112,339,065.40 is: 168,533,103.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,990,508.60 : 577,569,743.70 = 112,339,065.40 : x
  2. Step 2: Convert to fraction form
    384,990,508.60/577,569,743.70 = 112,339,065.40/x
  3. Step 3: Cross multiply
    384,990,508.60x = 577,569,743.70 × 112,339,065.40
  4. Step 4: Simplify right side
    384,990,508.60x = 64,883,645,210,575,544
  5. Step 5: Solve for x
    x = 64,883,645,210,575,544/384,990,508.60
  6. Step 6: Final answer
    x = 168,533,103.44

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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.