Home / 781,854,135.89-1,078,979,777.71-460,004,569.16

Finding the Fourth Proportional to 781,854,135.89, 1,078,979,777.71 and 460,004,569.16

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Solution

The fourth proportional to 781,854,135.89, 1,078,979,777.71 and 460,004,569.16 is: 634,818,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,854,135.89 : 1,078,979,777.71 = 460,004,569.16 : x
  2. Step 2: Convert to fraction form
    781,854,135.89/1,078,979,777.71 = 460,004,569.16/x
  3. Step 3: Cross multiply
    781,854,135.89x = 1,078,979,777.71 × 460,004,569.16
  4. Step 4: Simplify right side
    781,854,135.89x = 496,335,627,771,296,192
  5. Step 5: Solve for x
    x = 496,335,627,771,296,192/781,854,135.89
  6. Step 6: Final answer
    x = 634,818,702.10

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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.