Home / 946,727,999.60-1,420,091,999.40-558,736,703.60

Finding the Fourth Proportional to 946,727,999.60, 1,420,091,999.40 and 558,736,703.60

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Solution

The fourth proportional to 946,727,999.60, 1,420,091,999.40 and 558,736,703.60 is: 838,105,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,727,999.60 : 1,420,091,999.40 = 558,736,703.60 : x
  2. Step 2: Convert to fraction form
    946,727,999.60/1,420,091,999.40 = 558,736,703.60/x
  3. Step 3: Cross multiply
    946,727,999.60x = 1,420,091,999.40 × 558,736,703.60
  4. Step 4: Simplify right side
    946,727,999.60x = 793,457,522,553,489,280
  5. Step 5: Solve for x
    x = 793,457,522,553,489,280/946,727,999.60
  6. Step 6: Final answer
    x = 838,105,055.40

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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.