Home / 1,039,153,391.52-1,434,020,255.46-562,831,910.88

Finding the Fourth Proportional to 1,039,153,391.52, 1,434,020,255.46 and 562,831,910.88

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Solution

The fourth proportional to 1,039,153,391.52, 1,434,020,255.46 and 562,831,910.88 is: 776,701,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,153,391.52 : 1,434,020,255.46 = 562,831,910.88 : x
  2. Step 2: Convert to fraction form
    1,039,153,391.52/1,434,020,255.46 = 562,831,910.88/x
  3. Step 3: Cross multiply
    1,039,153,391.52x = 1,434,020,255.46 × 562,831,910.88
  4. Step 4: Simplify right side
    1,039,153,391.52x = 807,112,360,621,177,600
  5. Step 5: Solve for x
    x = 807,112,360,621,177,600/1,039,153,391.52
  6. Step 6: Final answer
    x = 776,701,849.03

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Double scale
Find fourth proportional to 1,039,153,392.52, 1,434,020,256.84 and 562,831,911.88
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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.