Home / 817,113,828.97-1,127,523,965.56-459,812,592.60

Finding the Fourth Proportional to 817,113,828.97, 1,127,523,965.56 and 459,812,592.60

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Solution

The fourth proportional to 817,113,828.97, 1,127,523,965.56 and 459,812,592.60 is: 634,488,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,113,828.97 : 1,127,523,965.56 = 459,812,592.60 : x
  2. Step 2: Convert to fraction form
    817,113,828.97/1,127,523,965.56 = 459,812,592.60/x
  3. Step 3: Cross multiply
    817,113,828.97x = 1,127,523,965.56 × 459,812,592.60
  4. Step 4: Simplify right side
    817,113,828.97x = 518,449,717,817,398,912
  5. Step 5: Solve for x
    x = 518,449,717,817,398,912/817,113,828.97
  6. Step 6: Final answer
    x = 634,488,977.47

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1.5x scale

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.