Home / 12,588,014,955.08-18,872,713,799.56-7,612,630,697.14

Finding the Fourth Proportional to 12,588,014,955.08, 18,872,713,799.56 and 7,612,630,697.14

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Solution

The fourth proportional to 12,588,014,955.08, 18,872,713,799.56 and 7,612,630,697.14 is: 11,413,316,628.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,014,955.08 : 18,872,713,799.56 = 7,612,630,697.14 : x
  2. Step 2: Convert to fraction form
    12,588,014,955.08/18,872,713,799.56 = 7,612,630,697.14/x
  3. Step 3: Cross multiply
    12,588,014,955.08x = 18,872,713,799.56 × 7,612,630,697.14
  4. Step 4: Simplify right side
    12,588,014,955.08x = 143,671,000,408,868,159,488
  5. Step 5: Solve for x
    x = 143,671,000,408,868,159,488/12,588,014,955.08
  6. Step 6: Final answer
    x = 11,413,316,628.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.