Home / 870,714,476.46-1,202,384,497.73-553,279,343.40

Finding the Fourth Proportional to 870,714,476.46, 1,202,384,497.73 and 553,279,343.40

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Solution

The fourth proportional to 870,714,476.46, 1,202,384,497.73 and 553,279,343.40 is: 764,032,898.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,714,476.46 : 1,202,384,497.73 = 553,279,343.40 : x
  2. Step 2: Convert to fraction form
    870,714,476.46/1,202,384,497.73 = 553,279,343.40/x
  3. Step 3: Cross multiply
    870,714,476.46x = 1,202,384,497.73 × 553,279,343.40
  4. Step 4: Simplify right side
    870,714,476.46x = 665,254,505,415,626,752
  5. Step 5: Solve for x
    x = 665,254,505,415,626,752/870,714,476.46
  6. Step 6: Final answer
    x = 764,032,898.73

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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.