Home / 529,644,883.32-793,332,297.36-430,807,442.40

Finding the Fourth Proportional to 529,644,883.32, 793,332,297.36 and 430,807,442.40

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Solution

The fourth proportional to 529,644,883.32, 793,332,297.36 and 430,807,442.40 is: 645,287,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,644,883.32 : 793,332,297.36 = 430,807,442.40 : x
  2. Step 2: Convert to fraction form
    529,644,883.32/793,332,297.36 = 430,807,442.40/x
  3. Step 3: Cross multiply
    529,644,883.32x = 793,332,297.36 × 430,807,442.40
  4. Step 4: Simplify right side
    529,644,883.32x = 341,773,457,998,977,856
  5. Step 5: Solve for x
    x = 341,773,457,998,977,856/529,644,883.32
  6. Step 6: Final answer
    x = 645,287,944.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.