Home / 864,061,218.45-1,192,276,210.37-524,793,145.28

Finding the Fourth Proportional to 864,061,218.45, 1,192,276,210.37 and 524,793,145.28

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Solution

The fourth proportional to 864,061,218.45, 1,192,276,210.37 and 524,793,145.28 is: 724,136,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,061,218.45 : 1,192,276,210.37 = 524,793,145.28 : x
  2. Step 2: Convert to fraction form
    864,061,218.45/1,192,276,210.37 = 524,793,145.28/x
  3. Step 3: Cross multiply
    864,061,218.45x = 1,192,276,210.37 × 524,793,145.28
  4. Step 4: Simplify right side
    864,061,218.45x = 625,698,382,474,005,888
  5. Step 5: Solve for x
    x = 625,698,382,474,005,888/864,061,218.45
  6. Step 6: Final answer
    x = 724,136,634.20

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1.5x scale

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.