Home / 1,049,762,531.80-1,574,643,797.70-641,615,843.80

Finding the Fourth Proportional to 1,049,762,531.80, 1,574,643,797.70 and 641,615,843.80

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Solution

The fourth proportional to 1,049,762,531.80, 1,574,643,797.70 and 641,615,843.80 is: 962,423,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,762,531.80 : 1,574,643,797.70 = 641,615,843.80 : x
  2. Step 2: Convert to fraction form
    1,049,762,531.80/1,574,643,797.70 = 641,615,843.80/x
  3. Step 3: Cross multiply
    1,049,762,531.80x = 1,574,643,797.70 × 641,615,843.80
  4. Step 4: Simplify right side
    1,049,762,531.80x = 1,010,316,408,945,721,984
  5. Step 5: Solve for x
    x = 1,010,316,408,945,721,984/1,049,762,531.80
  6. Step 6: Final answer
    x = 962,423,765.70

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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.