Home / 1,038,985,476.91-1,433,782,236.51-562,671,976.93

Finding the Fourth Proportional to 1,038,985,476.91, 1,433,782,236.51 and 562,671,976.93

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Solution

The fourth proportional to 1,038,985,476.91, 1,433,782,236.51 and 562,671,976.93 is: 776,477,730.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,985,476.91 : 1,433,782,236.51 = 562,671,976.93 : x
  2. Step 2: Convert to fraction form
    1,038,985,476.91/1,433,782,236.51 = 562,671,976.93/x
  3. Step 3: Cross multiply
    1,038,985,476.91x = 1,433,782,236.51 × 562,671,976.93
  4. Step 4: Simplify right side
    1,038,985,476.91x = 806,749,085,500,614,016
  5. Step 5: Solve for x
    x = 806,749,085,500,614,016/1,038,985,476.91
  6. Step 6: Final answer
    x = 776,477,730.86

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Double scale
Find fourth proportional to 1,038,985,477.91, 1,433,782,237.89 and 562,671,977.93
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1.5x scale

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.