Home / 703,402,988.75-1,053,772,706.43-469,528,500.19

Finding the Fourth Proportional to 703,402,988.75, 1,053,772,706.43 and 469,528,500.19

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Solution

The fourth proportional to 703,402,988.75, 1,053,772,706.43 and 469,528,500.19 is: 703,403,776.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,402,988.75 : 1,053,772,706.43 = 469,528,500.19 : x
  2. Step 2: Convert to fraction form
    703,402,988.75/1,053,772,706.43 = 469,528,500.19/x
  3. Step 3: Cross multiply
    703,402,988.75x = 1,053,772,706.43 × 469,528,500.19
  4. Step 4: Simplify right side
    703,402,988.75x = 494,776,318,391,235,072
  5. Step 5: Solve for x
    x = 494,776,318,391,235,072/703,402,988.75
  6. Step 6: Final answer
    x = 703,403,776.08

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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.