Home / 1,172,628,415.20-1,618,855,466.64-904,117,799.04

Finding the Fourth Proportional to 1,172,628,415.20, 1,618,855,466.64 and 904,117,799.04

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Solution

The fourth proportional to 1,172,628,415.20, 1,618,855,466.64 and 904,117,799.04 is: 1,248,166,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,628,415.20 : 1,618,855,466.64 = 904,117,799.04 : x
  2. Step 2: Convert to fraction form
    1,172,628,415.20/1,618,855,466.64 = 904,117,799.04/x
  3. Step 3: Cross multiply
    1,172,628,415.20x = 1,618,855,466.64 × 904,117,799.04
  4. Step 4: Simplify right side
    1,172,628,415.20x = 1,463,636,041,462,428,928
  5. Step 5: Solve for x
    x = 1,463,636,041,462,428,928/1,172,628,415.20
  6. Step 6: Final answer
    x = 1,248,166,957.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.