Home / 915,708,970.32-1,374,017,768.46-362,999,716.08

Finding the Fourth Proportional to 915,708,970.32, 1,374,017,768.46 and 362,999,716.08

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Solution

The fourth proportional to 915,708,970.32, 1,374,017,768.46 and 362,999,716.08 is: 544,679,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,708,970.32 : 1,374,017,768.46 = 362,999,716.08 : x
  2. Step 2: Convert to fraction form
    915,708,970.32/1,374,017,768.46 = 362,999,716.08/x
  3. Step 3: Cross multiply
    915,708,970.32x = 1,374,017,768.46 × 362,999,716.08
  4. Step 4: Simplify right side
    915,708,970.32x = 498,768,059,839,855,168
  5. Step 5: Solve for x
    x = 498,768,059,839,855,168/915,708,970.32
  6. Step 6: Final answer
    x = 544,679,670.08

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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.