Home / 1,259,714,998.20-1,889,572,497.30-614,742,454.20

Finding the Fourth Proportional to 1,259,714,998.20, 1,889,572,497.30 and 614,742,454.20

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Solution

The fourth proportional to 1,259,714,998.20, 1,889,572,497.30 and 614,742,454.20 is: 922,113,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,714,998.20 : 1,889,572,497.30 = 614,742,454.20 : x
  2. Step 2: Convert to fraction form
    1,259,714,998.20/1,889,572,497.30 = 614,742,454.20/x
  3. Step 3: Cross multiply
    1,259,714,998.20x = 1,889,572,497.30 × 614,742,454.20
  4. Step 4: Simplify right side
    1,259,714,998.20x = 1,161,600,434,379,024,896
  5. Step 5: Solve for x
    x = 1,161,600,434,379,024,896/1,259,714,998.20
  6. Step 6: Final answer
    x = 922,113,681.30

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Double scale
Find fourth proportional to 1,259,714,999.20, 1,889,572,498.80 and 614,742,455.20
Similar ratio
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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.