Home / 1,164,937,037.20-1,607,603,557.52-636,301,360.40

Finding the Fourth Proportional to 1,164,937,037.20, 1,607,603,557.52 and 636,301,360.40

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Solution

The fourth proportional to 1,164,937,037.20, 1,607,603,557.52 and 636,301,360.40 is: 878,090,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,937,037.20 : 1,607,603,557.52 = 636,301,360.40 : x
  2. Step 2: Convert to fraction form
    1,164,937,037.20/1,607,603,557.52 = 636,301,360.40/x
  3. Step 3: Cross multiply
    1,164,937,037.20x = 1,607,603,557.52 × 636,301,360.40
  4. Step 4: Simplify right side
    1,164,937,037.20x = 1,022,920,330,633,855,616
  5. Step 5: Solve for x
    x = 1,022,920,330,633,855,616/1,164,937,037.20
  6. Step 6: Final answer
    x = 878,090,658.95

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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.