Home / 1,039,587,880.32-1,434,632,277.60-569,690,239.68

Finding the Fourth Proportional to 1,039,587,880.32, 1,434,632,277.60 and 569,690,239.68

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Solution

The fourth proportional to 1,039,587,880.32, 1,434,632,277.60 and 569,690,239.68 is: 786,173,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,587,880.32 : 1,434,632,277.60 = 569,690,239.68 : x
  2. Step 2: Convert to fraction form
    1,039,587,880.32/1,434,632,277.60 = 569,690,239.68/x
  3. Step 3: Cross multiply
    1,039,587,880.32x = 1,434,632,277.60 × 569,690,239.68
  4. Step 4: Simplify right side
    1,039,587,880.32x = 817,296,006,078,608,128
  5. Step 5: Solve for x
    x = 817,296,006,078,608,128/1,039,587,880.32
  6. Step 6: Final answer
    x = 786,173,080.27

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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.