Home / 1,983,714,966.32-2,975,578,568.40-489,746,682.32

Finding the Fourth Proportional to 1,983,714,966.32, 2,975,578,568.40 and 489,746,682.32

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Solution

The fourth proportional to 1,983,714,966.32, 2,975,578,568.40 and 489,746,682.32 is: 734,621,534.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,714,966.32 : 2,975,578,568.40 = 489,746,682.32 : x
  2. Step 2: Convert to fraction form
    1,983,714,966.32/2,975,578,568.40 = 489,746,682.32/x
  3. Step 3: Cross multiply
    1,983,714,966.32x = 2,975,578,568.40 × 489,746,682.32
  4. Step 4: Simplify right side
    1,983,714,966.32x = 1,457,279,731,856,395,264
  5. Step 5: Solve for x
    x = 1,457,279,731,856,395,264/1,983,714,966.32
  6. Step 6: Final answer
    x = 734,621,534.14

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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.