Home / 401,130,547.52-553,356,428.58-261,982,760.00

Finding the Fourth Proportional to 401,130,547.52, 553,356,428.58 and 261,982,760.00

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Solution

The fourth proportional to 401,130,547.52, 553,356,428.58 and 261,982,760.00 is: 361,403,152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,130,547.52 : 553,356,428.58 = 261,982,760.00 : x
  2. Step 2: Convert to fraction form
    401,130,547.52/553,356,428.58 = 261,982,760.00/x
  3. Step 3: Cross multiply
    401,130,547.52x = 553,356,428.58 × 261,982,760.00
  4. Step 4: Simplify right side
    401,130,547.52x = 144,969,844,420,364,512
  5. Step 5: Solve for x
    x = 144,969,844,420,364,512/401,130,547.52
  6. Step 6: Final answer
    x = 361,403,152.46

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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.