Home / 1,322,169,966.40-1,983,254,949.60-709,949,934.40

Finding the Fourth Proportional to 1,322,169,966.40, 1,983,254,949.60 and 709,949,934.40

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Solution

The fourth proportional to 1,322,169,966.40, 1,983,254,949.60 and 709,949,934.40 is: 1,064,924,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,169,966.40 : 1,983,254,949.60 = 709,949,934.40 : x
  2. Step 2: Convert to fraction form
    1,322,169,966.40/1,983,254,949.60 = 709,949,934.40/x
  3. Step 3: Cross multiply
    1,322,169,966.40x = 1,983,254,949.60 × 709,949,934.40
  4. Step 4: Simplify right side
    1,322,169,966.40x = 1,408,011,721,366,995,200
  5. Step 5: Solve for x
    x = 1,408,011,721,366,995,200/1,322,169,966.40
  6. Step 6: Final answer
    x = 1,064,924,901.60

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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.