Home / 5,135,963,558.07-7,087,630,738.01-3,128,798,587.89

Finding the Fourth Proportional to 5,135,963,558.07, 7,087,630,738.01 and 3,128,798,587.89

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Solution

The fourth proportional to 5,135,963,558.07, 7,087,630,738.01 and 3,128,798,587.89 is: 4,317,742,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,963,558.07 : 7,087,630,738.01 = 3,128,798,587.89 : x
  2. Step 2: Convert to fraction form
    5,135,963,558.07/7,087,630,738.01 = 3,128,798,587.89/x
  3. Step 3: Cross multiply
    5,135,963,558.07x = 7,087,630,738.01 × 3,128,798,587.89
  4. Step 4: Simplify right side
    5,135,963,558.07x = 22,175,769,044,555,800,576
  5. Step 5: Solve for x
    x = 22,175,769,044,555,800,576/5,135,963,558.07
  6. Step 6: Final answer
    x = 4,317,742,677.46

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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.