Home / 1,365,514,298.80-2,048,271,448.20-1,220,112,041.20

Finding the Fourth Proportional to 1,365,514,298.80, 2,048,271,448.20 and 1,220,112,041.20

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Solution

The fourth proportional to 1,365,514,298.80, 2,048,271,448.20 and 1,220,112,041.20 is: 1,830,168,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,514,298.80 : 2,048,271,448.20 = 1,220,112,041.20 : x
  2. Step 2: Convert to fraction form
    1,365,514,298.80/2,048,271,448.20 = 1,220,112,041.20/x
  3. Step 3: Cross multiply
    1,365,514,298.80x = 2,048,271,448.20 × 1,220,112,041.20
  4. Step 4: Simplify right side
    1,365,514,298.80x = 2,499,120,657,594,982,400
  5. Step 5: Solve for x
    x = 2,499,120,657,594,982,400/1,365,514,298.80
  6. Step 6: Final answer
    x = 1,830,168,061.80

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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.