Home / 3,989,094,801.60-5,983,642,202.40-1,228,365,094.80

Finding the Fourth Proportional to 3,989,094,801.60, 5,983,642,202.40 and 1,228,365,094.80

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Solution

The fourth proportional to 3,989,094,801.60, 5,983,642,202.40 and 1,228,365,094.80 is: 1,842,547,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,094,801.60 : 5,983,642,202.40 = 1,228,365,094.80 : x
  2. Step 2: Convert to fraction form
    3,989,094,801.60/5,983,642,202.40 = 1,228,365,094.80/x
  3. Step 3: Cross multiply
    3,989,094,801.60x = 5,983,642,202.40 × 1,228,365,094.80
  4. Step 4: Simplify right side
    3,989,094,801.60x = 7,350,097,221,200,356,352
  5. Step 5: Solve for x
    x = 7,350,097,221,200,356,352/3,989,094,801.60
  6. Step 6: Final answer
    x = 1,842,547,642.20

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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.