Home / 15,642,616,143.24-21,587,219,392.86-8,506,447,312.68

Finding the Fourth Proportional to 15,642,616,143.24, 21,587,219,392.86 and 8,506,447,312.68

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Solution

The fourth proportional to 15,642,616,143.24, 21,587,219,392.86 and 8,506,447,312.68 is: 11,739,119,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642,616,143.24 : 21,587,219,392.86 = 8,506,447,312.68 : x
  2. Step 2: Convert to fraction form
    15,642,616,143.24/21,587,219,392.86 = 8,506,447,312.68/x
  3. Step 3: Cross multiply
    15,642,616,143.24x = 21,587,219,392.86 × 8,506,447,312.68
  4. Step 4: Simplify right side
    15,642,616,143.24x = 183,630,544,392,627,552,256
  5. Step 5: Solve for x
    x = 183,630,544,392,627,552,256/15,642,616,143.24
  6. Step 6: Final answer
    x = 11,739,119,768.15

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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.