Home / 1,116,828,907.70-1,675,243,361.55-298,941,208.70

Finding the Fourth Proportional to 1,116,828,907.70, 1,675,243,361.55 and 298,941,208.70

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Solution

The fourth proportional to 1,116,828,907.70, 1,675,243,361.55 and 298,941,208.70 is: 448,411,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,828,907.70 : 1,675,243,361.55 = 298,941,208.70 : x
  2. Step 2: Convert to fraction form
    1,116,828,907.70/1,675,243,361.55 = 298,941,208.70/x
  3. Step 3: Cross multiply
    1,116,828,907.70x = 1,675,243,361.55 × 298,941,208.70
  4. Step 4: Simplify right side
    1,116,828,907.70x = 500,799,275,368,408,064
  5. Step 5: Solve for x
    x = 500,799,275,368,408,064/1,116,828,907.70
  6. Step 6: Final answer
    x = 448,411,813.05

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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.