Home / 1,955,775,085.60-2,933,662,628.40-645,879,308.80

Finding the Fourth Proportional to 1,955,775,085.60, 2,933,662,628.40 and 645,879,308.80

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Solution

The fourth proportional to 1,955,775,085.60, 2,933,662,628.40 and 645,879,308.80 is: 968,818,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,775,085.60 : 2,933,662,628.40 = 645,879,308.80 : x
  2. Step 2: Convert to fraction form
    1,955,775,085.60/2,933,662,628.40 = 645,879,308.80/x
  3. Step 3: Cross multiply
    1,955,775,085.60x = 2,933,662,628.40 × 645,879,308.80
  4. Step 4: Simplify right side
    1,955,775,085.60x = 1,894,791,990,683,383,296
  5. Step 5: Solve for x
    x = 1,894,791,990,683,383,296/1,955,775,085.60
  6. Step 6: Final answer
    x = 968,818,963.20

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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.