Home / 781,854,136.07-1,078,979,777.99-460,004,569.32

Finding the Fourth Proportional to 781,854,136.07, 1,078,979,777.99 and 460,004,569.32

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Solution

The fourth proportional to 781,854,136.07, 1,078,979,777.99 and 460,004,569.32 is: 634,818,702.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,854,136.07 : 1,078,979,777.99 = 460,004,569.32 : x
  2. Step 2: Convert to fraction form
    781,854,136.07/1,078,979,777.99 = 460,004,569.32/x
  3. Step 3: Cross multiply
    781,854,136.07x = 1,078,979,777.99 × 460,004,569.32
  4. Step 4: Simplify right side
    781,854,136.07x = 496,335,628,076,581,696
  5. Step 5: Solve for x
    x = 496,335,628,076,581,696/781,854,136.07
  6. Step 6: Final answer
    x = 634,818,702.34

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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.