Home / 917,282,696.04-1,265,772,362.94-515,364,977.88

Finding the Fourth Proportional to 917,282,696.04, 1,265,772,362.94 and 515,364,977.88

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Solution

The fourth proportional to 917,282,696.04, 1,265,772,362.94 and 515,364,977.88 is: 711,159,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,282,696.04 : 1,265,772,362.94 = 515,364,977.88 : x
  2. Step 2: Convert to fraction form
    917,282,696.04/1,265,772,362.94 = 515,364,977.88/x
  3. Step 3: Cross multiply
    917,282,696.04x = 1,265,772,362.94 × 515,364,977.88
  4. Step 4: Simplify right side
    917,282,696.04x = 652,334,745,827,688,448
  5. Step 5: Solve for x
    x = 652,334,745,827,688,448/917,282,696.04
  6. Step 6: Final answer
    x = 711,159,982.24

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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.