Home / 1,210,825,774,568.20-1,670,152,242,874.70-776,590,362,233.28

Finding the Fourth Proportional to 1,210,825,774,568.20, 1,670,152,242,874.70 and 776,590,362,233.28

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Solution

The fourth proportional to 1,210,825,774,568.20, 1,670,152,242,874.70 and 776,590,362,233.28 is: 1,071,189,730,612.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,825,774,568.20 : 1,670,152,242,874.70 = 776,590,362,233.28 : x
  2. Step 2: Convert to fraction form
    1,210,825,774,568.20/1,670,152,242,874.70 = 776,590,362,233.28/x
  3. Step 3: Cross multiply
    1,210,825,774,568.20x = 1,670,152,242,874.70 × 776,590,362,233.28
  4. Step 4: Simplify right side
    1,210,825,774,568.20x = 1,297,024,135,278,788,228,415,488
  5. Step 5: Solve for x
    x = 1,297,024,135,278,788,228,415,488/1,210,825,774,568.20
  6. Step 6: Final answer
    x = 1,071,189,730,612.84

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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.