Home / 972,949,890.36-1,342,654,253.96-526,909,629.26

Finding the Fourth Proportional to 972,949,890.36, 1,342,654,253.96 and 526,909,629.26

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Solution

The fourth proportional to 972,949,890.36, 1,342,654,253.96 and 526,909,629.26 is: 727,126,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,949,890.36 : 1,342,654,253.96 = 526,909,629.26 : x
  2. Step 2: Convert to fraction form
    972,949,890.36/1,342,654,253.96 = 526,909,629.26/x
  3. Step 3: Cross multiply
    972,949,890.36x = 1,342,654,253.96 × 526,909,629.26
  4. Step 4: Simplify right side
    972,949,890.36x = 707,457,455,178,425,472
  5. Step 5: Solve for x
    x = 707,457,455,178,425,472/972,949,890.36
  6. Step 6: Final answer
    x = 727,126,301.35

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1.5x scale

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.