Home / 1,125,442,007.08-1,553,119,087.14-623,659,173.16

Finding the Fourth Proportional to 1,125,442,007.08, 1,553,119,087.14 and 623,659,173.16

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Solution

The fourth proportional to 1,125,442,007.08, 1,553,119,087.14 and 623,659,173.16 is: 860,654,711.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,442,007.08 : 1,553,119,087.14 = 623,659,173.16 : x
  2. Step 2: Convert to fraction form
    1,125,442,007.08/1,553,119,087.14 = 623,659,173.16/x
  3. Step 3: Cross multiply
    1,125,442,007.08x = 1,553,119,087.14 × 623,659,173.16
  4. Step 4: Simplify right side
    1,125,442,007.08x = 968,616,965,704,746,368
  5. Step 5: Solve for x
    x = 968,616,965,704,746,368/1,125,442,007.08
  6. Step 6: Final answer
    x = 860,654,711.31

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Double scale
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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.