Home / 1,261,349,802.60-1,890,736,998.30-852,447,287.40

Finding the Fourth Proportional to 1,261,349,802.60, 1,890,736,998.30 and 852,447,287.40

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Solution

The fourth proportional to 1,261,349,802.60, 1,890,736,998.30 and 852,447,287.40 is: 1,277,800,672.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,349,802.60 : 1,890,736,998.30 = 852,447,287.40 : x
  2. Step 2: Convert to fraction form
    1,261,349,802.60/1,890,736,998.30 = 852,447,287.40/x
  3. Step 3: Cross multiply
    1,261,349,802.60x = 1,890,736,998.30 × 852,447,287.40
  4. Step 4: Simplify right side
    1,261,349,802.60x = 1,611,753,625,387,653,376
  5. Step 5: Solve for x
    x = 1,611,753,625,387,653,376/1,261,349,802.60
  6. Step 6: Final answer
    x = 1,277,800,672.00

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1.5x scale

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.