Home / 5,298,883,231-7,312,507,218.20-2,920,106,518.68

Finding the Fourth Proportional to 5,298,883,231, 7,312,507,218.20 and 2,920,106,518.68

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Solution

The fourth proportional to 5,298,883,231, 7,312,507,218.20 and 2,920,106,518.68 is: 4,029,773,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298,883,231 : 7,312,507,218.20 = 2,920,106,518.68 : x
  2. Step 2: Convert to fraction form
    5,298,883,231/7,312,507,218.20 = 2,920,106,518.68/x
  3. Step 3: Cross multiply
    5,298,883,231x = 7,312,507,218.20 × 2,920,106,518.68
  4. Step 4: Simplify right side
    5,298,883,231x = 21,353,299,995,760,369,664
  5. Step 5: Solve for x
    x = 21,353,299,995,760,369,664/5,298,883,231
  6. Step 6: Final answer
    x = 4,029,773,645.67

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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.