Home / 379,943,466,975.12-570,011,666,550.42-175,883,768,411.68

Finding the Fourth Proportional to 379,943,466,975.12, 570,011,666,550.42 and 175,883,768,411.68

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Solution

The fourth proportional to 379,943,466,975.12, 570,011,666,550.42 and 175,883,768,411.68 is: 263,870,308,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,943,466,975.12 : 570,011,666,550.42 = 175,883,768,411.68 : x
  2. Step 2: Convert to fraction form
    379,943,466,975.12/570,011,666,550.42 = 175,883,768,411.68/x
  3. Step 3: Cross multiply
    379,943,466,975.12x = 570,011,666,550.42 × 175,883,768,411.68
  4. Step 4: Simplify right side
    379,943,466,975.12x = 100,255,799,951,509,845,704,704
  5. Step 5: Solve for x
    x = 100,255,799,951,509,845,704,704/379,943,466,975.12
  6. Step 6: Final answer
    x = 263,870,308,784.85

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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.