Home / 848,973,687.88-1,273,720,425.20-434,743,799.44

Finding the Fourth Proportional to 848,973,687.88, 1,273,720,425.20 and 434,743,799.44

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Solution

The fourth proportional to 848,973,687.88, 1,273,720,425.20 and 434,743,799.44 is: 652,248,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,973,687.88 : 1,273,720,425.20 = 434,743,799.44 : x
  2. Step 2: Convert to fraction form
    848,973,687.88/1,273,720,425.20 = 434,743,799.44/x
  3. Step 3: Cross multiply
    848,973,687.88x = 1,273,720,425.20 × 434,743,799.44
  4. Step 4: Simplify right side
    848,973,687.88x = 553,742,057,075,780,352
  5. Step 5: Solve for x
    x = 553,742,057,075,780,352/848,973,687.88
  6. Step 6: Final answer
    x = 652,248,785.78

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1.5x scale

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.