Home / 935,735,157.36-1,291,314,829.59-512,375,594.76

Finding the Fourth Proportional to 935,735,157.36, 1,291,314,829.59 and 512,375,594.76

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Solution

The fourth proportional to 935,735,157.36, 1,291,314,829.59 and 512,375,594.76 is: 707,078,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,735,157.36 : 1,291,314,829.59 = 512,375,594.76 : x
  2. Step 2: Convert to fraction form
    935,735,157.36/1,291,314,829.59 = 512,375,594.76/x
  3. Step 3: Cross multiply
    935,735,157.36x = 1,291,314,829.59 × 512,375,594.76
  4. Step 4: Simplify right side
    935,735,157.36x = 661,638,203,833,584,256
  5. Step 5: Solve for x
    x = 661,638,203,833,584,256/935,735,157.36
  6. Step 6: Final answer
    x = 707,078,491.85

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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.