Home / 1,125,441,516.66-1,553,118,412.07-623,658,682.01

Finding the Fourth Proportional to 1,125,441,516.66, 1,553,118,412.07 and 623,658,682.01

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Solution

The fourth proportional to 1,125,441,516.66, 1,553,118,412.07 and 623,658,682.01 is: 860,654,034.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,441,516.66 : 1,553,118,412.07 = 623,658,682.01 : x
  2. Step 2: Convert to fraction form
    1,125,441,516.66/1,553,118,412.07 = 623,658,682.01/x
  3. Step 3: Cross multiply
    1,125,441,516.66x = 1,553,118,412.07 × 623,658,682.01
  4. Step 4: Simplify right side
    1,125,441,516.66x = 968,615,781,870,833,792
  5. Step 5: Solve for x
    x = 968,615,781,870,833,792/1,125,441,516.66
  6. Step 6: Final answer
    x = 860,654,034.47

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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.