Home / 703,991,957,870.16-971,532,368,439.56-395,397,698,803.28

Finding the Fourth Proportional to 703,991,957,870.16, 971,532,368,439.56 and 395,397,698,803.28

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Solution

The fourth proportional to 703,991,957,870.16, 971,532,368,439.56 and 395,397,698,803.28 is: 545,662,004,373.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,991,957,870.16 : 971,532,368,439.56 = 395,397,698,803.28 : x
  2. Step 2: Convert to fraction form
    703,991,957,870.16/971,532,368,439.56 = 395,397,698,803.28/x
  3. Step 3: Cross multiply
    703,991,957,870.16x = 971,532,368,439.56 × 395,397,698,803.28
  4. Step 4: Simplify right side
    703,991,957,870.16x = 384,141,662,793,902,434,811,904
  5. Step 5: Solve for x
    x = 384,141,662,793,902,434,811,904/703,991,957,870.16
  6. Step 6: Final answer
    x = 545,662,004,373.00

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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.