Home / 1,038,985,476.83-1,433,782,236.40-562,671,976.85

Finding the Fourth Proportional to 1,038,985,476.83, 1,433,782,236.40 and 562,671,976.85

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Solution

The fourth proportional to 1,038,985,476.83, 1,433,782,236.40 and 562,671,976.85 is: 776,477,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,985,476.83 : 1,433,782,236.40 = 562,671,976.85 : x
  2. Step 2: Convert to fraction form
    1,038,985,476.83/1,433,782,236.40 = 562,671,976.85/x
  3. Step 3: Cross multiply
    1,038,985,476.83x = 1,433,782,236.40 × 562,671,976.85
  4. Step 4: Simplify right side
    1,038,985,476.83x = 806,749,085,319,026,560
  5. Step 5: Solve for x
    x = 806,749,085,319,026,560/1,038,985,476.83
  6. Step 6: Final answer
    x = 776,477,730.74

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Double scale
Find fourth proportional to 1,038,985,477.83, 1,433,782,237.78 and 562,671,977.85
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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.