Home / 1,323,432,583.40-1,985,223,524.70-403,338,938.60

Finding the Fourth Proportional to 1,323,432,583.40, 1,985,223,524.70 and 403,338,938.60

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Solution

The fourth proportional to 1,323,432,583.40, 1,985,223,524.70 and 403,338,938.60 is: 605,031,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,432,583.40 : 1,985,223,524.70 = 403,338,938.60 : x
  2. Step 2: Convert to fraction form
    1,323,432,583.40/1,985,223,524.70 = 403,338,938.60/x
  3. Step 3: Cross multiply
    1,323,432,583.40x = 1,985,223,524.70 × 403,338,938.60
  4. Step 4: Simplify right side
    1,323,432,583.40x = 800,717,949,336,248,960
  5. Step 5: Solve for x
    x = 800,717,949,336,248,960/1,323,432,583.40
  6. Step 6: Final answer
    x = 605,031,158.65

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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.