Home / 8,603,645,988.90-11,873,397,889.66-4,793,166,782.72

Finding the Fourth Proportional to 8,603,645,988.90, 11,873,397,889.66 and 4,793,166,782.72

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Solution

The fourth proportional to 8,603,645,988.90, 11,873,397,889.66 and 4,793,166,782.72 is: 6,614,774,298.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603,645,988.90 : 11,873,397,889.66 = 4,793,166,782.72 : x
  2. Step 2: Convert to fraction form
    8,603,645,988.90/11,873,397,889.66 = 4,793,166,782.72/x
  3. Step 3: Cross multiply
    8,603,645,988.90x = 11,873,397,889.66 × 4,793,166,782.72
  4. Step 4: Simplify right side
    8,603,645,988.90x = 56,911,176,362,736,058,368
  5. Step 5: Solve for x
    x = 56,911,176,362,736,058,368/8,603,645,988.90
  6. Step 6: Final answer
    x = 6,614,774,298.73

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Double scale
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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.