Home / 1,437,482,075.28-1,983,725,262.72-777,432,353.28

Finding the Fourth Proportional to 1,437,482,075.28, 1,983,725,262.72 and 777,432,353.28

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Solution

The fourth proportional to 1,437,482,075.28, 1,983,725,262.72 and 777,432,353.28 is: 1,072,856,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,482,075.28 : 1,983,725,262.72 = 777,432,353.28 : x
  2. Step 2: Convert to fraction form
    1,437,482,075.28/1,983,725,262.72 = 777,432,353.28/x
  3. Step 3: Cross multiply
    1,437,482,075.28x = 1,983,725,262.72 × 777,432,353.28
  4. Step 4: Simplify right side
    1,437,482,075.28x = 1,542,212,199,257,395,712
  5. Step 5: Solve for x
    x = 1,542,212,199,257,395,712/1,437,482,075.28
  6. Step 6: Final answer
    x = 1,072,856,646.90

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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.