Home / 1,248,370,798.63-1,869,950,412.88-748,796,973.85

Finding the Fourth Proportional to 1,248,370,798.63, 1,869,950,412.88 and 748,796,973.85

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Solution

The fourth proportional to 1,248,370,798.63, 1,869,950,412.88 and 748,796,973.85 is: 1,121,632,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,370,798.63 : 1,869,950,412.88 = 748,796,973.85 : x
  2. Step 2: Convert to fraction form
    1,248,370,798.63/1,869,950,412.88 = 748,796,973.85/x
  3. Step 3: Cross multiply
    1,248,370,798.63x = 1,869,950,412.88 × 748,796,973.85
  4. Step 4: Simplify right side
    1,248,370,798.63x = 1,400,213,210,414,102,272
  5. Step 5: Solve for x
    x = 1,400,213,210,414,102,272/1,248,370,798.63
  6. Step 6: Final answer
    x = 1,121,632,460.44

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Double scale
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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.