Home / 674,325,809.60-1,011,488,714.40-189,651,617.60

Finding the Fourth Proportional to 674,325,809.60, 1,011,488,714.40 and 189,651,617.60

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Solution

The fourth proportional to 674,325,809.60, 1,011,488,714.40 and 189,651,617.60 is: 284,477,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,325,809.60 : 1,011,488,714.40 = 189,651,617.60 : x
  2. Step 2: Convert to fraction form
    674,325,809.60/1,011,488,714.40 = 189,651,617.60/x
  3. Step 3: Cross multiply
    674,325,809.60x = 1,011,488,714.40 × 189,651,617.60
  4. Step 4: Simplify right side
    674,325,809.60x = 191,830,470,870,104,416
  5. Step 5: Solve for x
    x = 191,830,470,870,104,416/674,325,809.60
  6. Step 6: Final answer
    x = 284,477,426.40

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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.