Home / 578,064,541.36-867,081,117.93-400,628,348.89

Finding the Fourth Proportional to 578,064,541.36, 867,081,117.93 and 400,628,348.89

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Solution

The fourth proportional to 578,064,541.36, 867,081,117.93 and 400,628,348.89 is: 600,931,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,064,541.36 : 867,081,117.93 = 400,628,348.89 : x
  2. Step 2: Convert to fraction form
    578,064,541.36/867,081,117.93 = 400,628,348.89/x
  3. Step 3: Cross multiply
    578,064,541.36x = 867,081,117.93 × 400,628,348.89
  4. Step 4: Simplify right side
    578,064,541.36x = 347,377,276,629,991,232
  5. Step 5: Solve for x
    x = 347,377,276,629,991,232/578,064,541.36
  6. Step 6: Final answer
    x = 600,931,646.51

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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.