Home / 1,831,885,666.18-2,748,990,720.13-782,631,775.19

Finding the Fourth Proportional to 1,831,885,666.18, 2,748,990,720.13 and 782,631,775.19

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Solution

The fourth proportional to 1,831,885,666.18, 2,748,990,720.13 and 782,631,775.19 is: 1,174,444,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831,885,666.18 : 2,748,990,720.13 = 782,631,775.19 : x
  2. Step 2: Convert to fraction form
    1,831,885,666.18/2,748,990,720.13 = 782,631,775.19/x
  3. Step 3: Cross multiply
    1,831,885,666.18x = 2,748,990,720.13 × 782,631,775.19
  4. Step 4: Simplify right side
    1,831,885,666.18x = 2,151,447,487,281,094,400
  5. Step 5: Solve for x
    x = 2,151,447,487,281,094,400/1,831,885,666.18
  6. Step 6: Final answer
    x = 1,174,444,195.40

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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.