Home / 7,908,313,172.86-10,912,750,844.52-4,692,669,035.12

Finding the Fourth Proportional to 7,908,313,172.86, 10,912,750,844.52 and 4,692,669,035.12

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Solution

The fourth proportional to 7,908,313,172.86, 10,912,750,844.52 and 4,692,669,035.12 is: 6,475,455,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908,313,172.86 : 10,912,750,844.52 = 4,692,669,035.12 : x
  2. Step 2: Convert to fraction form
    7,908,313,172.86/10,912,750,844.52 = 4,692,669,035.12/x
  3. Step 3: Cross multiply
    7,908,313,172.86x = 10,912,750,844.52 × 4,692,669,035.12
  4. Step 4: Simplify right side
    7,908,313,172.86x = 51,209,927,976,035,057,664
  5. Step 5: Solve for x
    x = 51,209,927,976,035,057,664/7,908,313,172.86
  6. Step 6: Final answer
    x = 6,475,455,240.16

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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.