Home / 3,509,736,078.12-5,264,550,973.56-853,817,165.40

Finding the Fourth Proportional to 3,509,736,078.12, 5,264,550,973.56 and 853,817,165.40

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Solution

The fourth proportional to 3,509,736,078.12, 5,264,550,973.56 and 853,817,165.40 is: 1,280,712,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509,736,078.12 : 5,264,550,973.56 = 853,817,165.40 : x
  2. Step 2: Convert to fraction form
    3,509,736,078.12/5,264,550,973.56 = 853,817,165.40/x
  3. Step 3: Cross multiply
    3,509,736,078.12x = 5,264,550,973.56 × 853,817,165.40
  4. Step 4: Simplify right side
    3,509,736,078.12x = 4,494,963,989,348,809,728
  5. Step 5: Solve for x
    x = 4,494,963,989,348,809,728/3,509,736,078.12
  6. Step 6: Final answer
    x = 1,280,712,819.80

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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.