Home / 972,480,044.82-1,342,020,917.34-526,443,289.86

Finding the Fourth Proportional to 972,480,044.82, 1,342,020,917.34 and 526,443,289.86

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Solution

The fourth proportional to 972,480,044.82, 1,342,020,917.34 and 526,443,289.86 is: 726,490,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,480,044.82 : 1,342,020,917.34 = 526,443,289.86 : x
  2. Step 2: Convert to fraction form
    972,480,044.82/1,342,020,917.34 = 526,443,289.86/x
  3. Step 3: Cross multiply
    972,480,044.82x = 1,342,020,917.34 × 526,443,289.86
  4. Step 4: Simplify right side
    972,480,044.82x = 706,497,906,785,404,672
  5. Step 5: Solve for x
    x = 706,497,906,785,404,672/972,480,044.82
  6. Step 6: Final answer
    x = 726,490,903.90

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Double scale
Find fourth proportional to 972,480,045.82, 1,342,020,918.72 and 526,443,290.86
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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.