Home / 19,314,459,477.60-28,971,689,216.40-18,171,648,751.20

Finding the Fourth Proportional to 19,314,459,477.60, 28,971,689,216.40 and 18,171,648,751.20

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Solution

The fourth proportional to 19,314,459,477.60, 28,971,689,216.40 and 18,171,648,751.20 is: 27,257,473,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314,459,477.60 : 28,971,689,216.40 = 18,171,648,751.20 : x
  2. Step 2: Convert to fraction form
    19,314,459,477.60/28,971,689,216.40 = 18,171,648,751.20/x
  3. Step 3: Cross multiply
    19,314,459,477.60x = 28,971,689,216.40 × 18,171,648,751.20
  4. Step 4: Simplify right side
    19,314,459,477.60x = 526,463,360,169,349,611,520
  5. Step 5: Solve for x
    x = 526,463,360,169,349,611,520/19,314,459,477.60
  6. Step 6: Final answer
    x = 27,257,473,126.80

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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.