Home / 983,043,854.16-1,356,546,071.76-536,918,391.60

Finding the Fourth Proportional to 983,043,854.16, 1,356,546,071.76 and 536,918,391.60

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Solution

The fourth proportional to 983,043,854.16, 1,356,546,071.76 and 536,918,391.60 is: 740,917,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,043,854.16 : 1,356,546,071.76 = 536,918,391.60 : x
  2. Step 2: Convert to fraction form
    983,043,854.16/1,356,546,071.76 = 536,918,391.60/x
  3. Step 3: Cross multiply
    983,043,854.16x = 1,356,546,071.76 × 536,918,391.60
  4. Step 4: Simplify right side
    983,043,854.16x = 728,354,534,980,677,376
  5. Step 5: Solve for x
    x = 728,354,534,980,677,376/983,043,854.16
  6. Step 6: Final answer
    x = 740,917,642.58

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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.