Home / 834,692,365.44-1,151,830,499.76-463,390,495.20

Finding the Fourth Proportional to 834,692,365.44, 1,151,830,499.76 and 463,390,495.20

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Solution

The fourth proportional to 834,692,365.44, 1,151,830,499.76 and 463,390,495.20 is: 639,453,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,692,365.44 : 1,151,830,499.76 = 463,390,495.20 : x
  2. Step 2: Convert to fraction form
    834,692,365.44/1,151,830,499.76 = 463,390,495.20/x
  3. Step 3: Cross multiply
    834,692,365.44x = 1,151,830,499.76 × 463,390,495.20
  4. Step 4: Simplify right side
    834,692,365.44x = 533,747,305,670,249,856
  5. Step 5: Solve for x
    x = 533,747,305,670,249,856/834,692,365.44
  6. Step 6: Final answer
    x = 639,453,920.71

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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.