Home / 879,721,497.60-1,319,246,323.20-266,101,785.60

Finding the Fourth Proportional to 879,721,497.60, 1,319,246,323.20 and 266,101,785.60

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Solution

The fourth proportional to 879,721,497.60, 1,319,246,323.20 and 266,101,785.60 is: 399,051,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,721,497.60 : 1,319,246,323.20 = 266,101,785.60 : x
  2. Step 2: Convert to fraction form
    879,721,497.60/1,319,246,323.20 = 266,101,785.60/x
  3. Step 3: Cross multiply
    879,721,497.60x = 1,319,246,323.20 × 266,101,785.60
  4. Step 4: Simplify right side
    879,721,497.60x = 351,053,802,249,754,688
  5. Step 5: Solve for x
    x = 351,053,802,249,754,688/879,721,497.60
  6. Step 6: Final answer
    x = 399,051,066.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.