Home / 703,402,987.75-1,053,772,704.93-469,528,499.19

Finding the Fourth Proportional to 703,402,987.75, 1,053,772,704.93 and 469,528,499.19

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Solution

The fourth proportional to 703,402,987.75, 1,053,772,704.93 and 469,528,499.19 is: 703,403,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,402,987.75 : 1,053,772,704.93 = 469,528,499.19 : x
  2. Step 2: Convert to fraction form
    703,402,987.75/1,053,772,704.93 = 469,528,499.19/x
  3. Step 3: Cross multiply
    703,402,987.75x = 1,053,772,704.93 × 469,528,499.19
  4. Step 4: Simplify right side
    703,402,987.75x = 494,776,316,627,900,736
  5. Step 5: Solve for x
    x = 494,776,316,627,900,736/703,402,987.75
  6. Step 6: Final answer
    x = 703,403,774.57

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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.