Home / 1,570,210,802.88-2,166,890,920.16-865,362,792.26

Finding the Fourth Proportional to 1,570,210,802.88, 2,166,890,920.16 and 865,362,792.26

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Solution

The fourth proportional to 1,570,210,802.88, 2,166,890,920.16 and 865,362,792.26 is: 1,194,200,660.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,210,802.88 : 2,166,890,920.16 = 865,362,792.26 : x
  2. Step 2: Convert to fraction form
    1,570,210,802.88/2,166,890,920.16 = 865,362,792.26/x
  3. Step 3: Cross multiply
    1,570,210,802.88x = 2,166,890,920.16 × 865,362,792.26
  4. Step 4: Simplify right side
    1,570,210,802.88x = 1,875,146,777,177,337,344
  5. Step 5: Solve for x
    x = 1,875,146,777,177,337,344/1,570,210,802.88
  6. Step 6: Final answer
    x = 1,194,200,660.02

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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.