Home / 1,113,048,005.20-1,669,572,007.80-386,036,717.20

Finding the Fourth Proportional to 1,113,048,005.20, 1,669,572,007.80 and 386,036,717.20

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Solution

The fourth proportional to 1,113,048,005.20, 1,669,572,007.80 and 386,036,717.20 is: 579,055,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,048,005.20 : 1,669,572,007.80 = 386,036,717.20 : x
  2. Step 2: Convert to fraction form
    1,113,048,005.20/1,669,572,007.80 = 386,036,717.20/x
  3. Step 3: Cross multiply
    1,113,048,005.20x = 1,669,572,007.80 × 386,036,717.20
  4. Step 4: Simplify right side
    1,113,048,005.20x = 644,516,097,020,124,800
  5. Step 5: Solve for x
    x = 644,516,097,020,124,800/1,113,048,005.20
  6. Step 6: Final answer
    x = 579,055,075.80

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Similar ratio
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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.