Home / 15,009,119,245,553-20,711,447,855,884-8,423,342,977,457.20

Finding the Fourth Proportional to 15,009,119,245,553, 20,711,447,855,884 and 8,423,342,977,457.20

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Solution

The fourth proportional to 15,009,119,245,553, 20,711,447,855,884 and 8,423,342,977,457.20 is: 11,623,575,374,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,119,245,553 : 20,711,447,855,884 = 8,423,342,977,457.20 : x
  2. Step 2: Convert to fraction form
    15,009,119,245,553/20,711,447,855,884 = 8,423,342,977,457.20/x
  3. Step 3: Cross multiply
    15,009,119,245,553x = 20,711,447,855,884 × 8,423,342,977,457.20
  4. Step 4: Simplify right side
    15,009,119,245,553x = 174,459,628,849,831,468,381,241,344
  5. Step 5: Solve for x
    x = 174,459,628,849,831,468,381,241,344/15,009,119,245,553
  6. Step 6: Final answer
    x = 11,623,575,374,119.40

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Double scale
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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.