Home / 1,125,442,006.08-1,553,119,085.76-623,659,172.16

Finding the Fourth Proportional to 1,125,442,006.08, 1,553,119,085.76 and 623,659,172.16

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Solution

The fourth proportional to 1,125,442,006.08, 1,553,119,085.76 and 623,659,172.16 is: 860,654,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,442,006.08 : 1,553,119,085.76 = 623,659,172.16 : x
  2. Step 2: Convert to fraction form
    1,125,442,006.08/1,553,119,085.76 = 623,659,172.16/x
  3. Step 3: Cross multiply
    1,125,442,006.08x = 1,553,119,085.76 × 623,659,172.16
  4. Step 4: Simplify right side
    1,125,442,006.08x = 968,616,963,290,977,536
  5. Step 5: Solve for x
    x = 968,616,963,290,977,536/1,125,442,006.08
  6. Step 6: Final answer
    x = 860,654,709.93

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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.