Home / 1,346,544,004.80-2,019,312,122.40-472,807,761.60

Finding the Fourth Proportional to 1,346,544,004.80, 2,019,312,122.40 and 472,807,761.60

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Solution

The fourth proportional to 1,346,544,004.80, 2,019,312,122.40 and 472,807,761.60 is: 709,034,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,544,004.80 : 2,019,312,122.40 = 472,807,761.60 : x
  2. Step 2: Convert to fraction form
    1,346,544,004.80/2,019,312,122.40 = 472,807,761.60/x
  3. Step 3: Cross multiply
    1,346,544,004.80x = 2,019,312,122.40 × 472,807,761.60
  4. Step 4: Simplify right side
    1,346,544,004.80x = 954,746,444,563,689,344
  5. Step 5: Solve for x
    x = 954,746,444,563,689,344/1,346,544,004.80
  6. Step 6: Final answer
    x = 709,034,714.91

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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.