Home / 804,816,021.40-1,207,224,032.10-417,395,532.40

Finding the Fourth Proportional to 804,816,021.40, 1,207,224,032.10 and 417,395,532.40

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Solution

The fourth proportional to 804,816,021.40, 1,207,224,032.10 and 417,395,532.40 is: 626,093,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,816,021.40 : 1,207,224,032.10 = 417,395,532.40 : x
  2. Step 2: Convert to fraction form
    804,816,021.40/1,207,224,032.10 = 417,395,532.40/x
  3. Step 3: Cross multiply
    804,816,021.40x = 1,207,224,032.10 × 417,395,532.40
  4. Step 4: Simplify right side
    804,816,021.40x = 503,889,917,604,454,144
  5. Step 5: Solve for x
    x = 503,889,917,604,454,144/804,816,021.40
  6. Step 6: Final answer
    x = 626,093,298.60

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1.5x scale

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.