Home / 1,422,278,184,828.90-1,962,745,347,671.40-771,956,902,528.10

Finding the Fourth Proportional to 1,422,278,184,828.90, 1,962,745,347,671.40 and 771,956,902,528.10

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Solution

The fourth proportional to 1,422,278,184,828.90, 1,962,745,347,671.40 and 771,956,902,528.10 is: 1,065,301,313,907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,278,184,828.90 : 1,962,745,347,671.40 = 771,956,902,528.10 : x
  2. Step 2: Convert to fraction form
    1,422,278,184,828.90/1,962,745,347,671.40 = 771,956,902,528.10/x
  3. Step 3: Cross multiply
    1,422,278,184,828.90x = 1,962,745,347,671.40 × 771,956,902,528.10
  4. Step 4: Simplify right side
    1,422,278,184,828.90x = 1,515,154,819,039,852,631,162,880
  5. Step 5: Solve for x
    x = 1,515,154,819,039,852,631,162,880/1,422,278,184,828.90
  6. Step 6: Final answer
    x = 1,065,301,313,907.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.