Home / 1,277,553,656.23-1,917,005,648.81-906,459,794.22

Finding the Fourth Proportional to 1,277,553,656.23, 1,917,005,648.81 and 906,459,794.22

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Solution

The fourth proportional to 1,277,553,656.23, 1,917,005,648.81 and 906,459,794.22 is: 1,360,168,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,553,656.23 : 1,917,005,648.81 = 906,459,794.22 : x
  2. Step 2: Convert to fraction form
    1,277,553,656.23/1,917,005,648.81 = 906,459,794.22/x
  3. Step 3: Cross multiply
    1,277,553,656.23x = 1,917,005,648.81 × 906,459,794.22
  4. Step 4: Simplify right side
    1,277,553,656.23x = 1,737,688,545,938,890,240
  5. Step 5: Solve for x
    x = 1,737,688,545,938,890,240/1,277,553,656.23
  6. Step 6: Final answer
    x = 1,360,168,739.27

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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.