Home / 870,364,556.80-1,201,091,821.74-473,882,998.80

Finding the Fourth Proportional to 870,364,556.80, 1,201,091,821.74 and 473,882,998.80

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Solution

The fourth proportional to 870,364,556.80, 1,201,091,821.74 and 473,882,998.80 is: 653,952,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,364,556.80 : 1,201,091,821.74 = 473,882,998.80 : x
  2. Step 2: Convert to fraction form
    870,364,556.80/1,201,091,821.74 = 473,882,998.80/x
  3. Step 3: Cross multiply
    870,364,556.80x = 1,201,091,821.74 × 473,882,998.80
  4. Step 4: Simplify right side
    870,364,556.80x = 569,176,994,320,306,240
  5. Step 5: Solve for x
    x = 569,176,994,320,306,240/870,364,556.80
  6. Step 6: Final answer
    x = 653,952,404.05

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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.