Home / 13,358,776,788.18-18,441,388,460.34-7,718,901,690.96

Finding the Fourth Proportional to 13,358,776,788.18, 18,441,388,460.34 and 7,718,901,690.96

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Solution

The fourth proportional to 13,358,776,788.18, 18,441,388,460.34 and 7,718,901,690.96 is: 10,655,710,985.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358,776,788.18 : 18,441,388,460.34 = 7,718,901,690.96 : x
  2. Step 2: Convert to fraction form
    13,358,776,788.18/18,441,388,460.34 = 7,718,901,690.96/x
  3. Step 3: Cross multiply
    13,358,776,788.18x = 18,441,388,460.34 × 7,718,901,690.96
  4. Step 4: Simplify right side
    13,358,776,788.18x = 142,347,264,570,168,655,872
  5. Step 5: Solve for x
    x = 142,347,264,570,168,655,872/13,358,776,788.18
  6. Step 6: Final answer
    x = 10,655,710,985.16

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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.