Home / 1,164,937,038.20-1,607,603,558.90-636,301,361.40

Finding the Fourth Proportional to 1,164,937,038.20, 1,607,603,558.90 and 636,301,361.40

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Solution

The fourth proportional to 1,164,937,038.20, 1,607,603,558.90 and 636,301,361.40 is: 878,090,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,937,038.20 : 1,607,603,558.90 = 636,301,361.40 : x
  2. Step 2: Convert to fraction form
    1,164,937,038.20/1,607,603,558.90 = 636,301,361.40/x
  3. Step 3: Cross multiply
    1,164,937,038.20x = 1,607,603,558.90 × 636,301,361.40
  4. Step 4: Simplify right side
    1,164,937,038.20x = 1,022,920,333,119,555,072
  5. Step 5: Solve for x
    x = 1,022,920,333,119,555,072/1,164,937,038.20
  6. Step 6: Final answer
    x = 878,090,660.33

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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.