Home / 1,270,966,935.79-1,753,889,636.80-698,745,822.01

Finding the Fourth Proportional to 1,270,966,935.79, 1,753,889,636.80 and 698,745,822.01

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Solution

The fourth proportional to 1,270,966,935.79, 1,753,889,636.80 and 698,745,822.01 is: 964,244,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,966,935.79 : 1,753,889,636.80 = 698,745,822.01 : x
  2. Step 2: Convert to fraction form
    1,270,966,935.79/1,753,889,636.80 = 698,745,822.01/x
  3. Step 3: Cross multiply
    1,270,966,935.79x = 1,753,889,636.80 × 698,745,822.01
  4. Step 4: Simplify right side
    1,270,966,935.79x = 1,225,523,055,977,142,528
  5. Step 5: Solve for x
    x = 1,225,523,055,977,142,528/1,270,966,935.79
  6. Step 6: Final answer
    x = 964,244,640.41

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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.