Home / 651,447,381.20-977,171,071.80-549,410,709.20

Finding the Fourth Proportional to 651,447,381.20, 977,171,071.80 and 549,410,709.20

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Solution

The fourth proportional to 651,447,381.20, 977,171,071.80 and 549,410,709.20 is: 824,116,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,447,381.20 : 977,171,071.80 = 549,410,709.20 : x
  2. Step 2: Convert to fraction form
    651,447,381.20/977,171,071.80 = 549,410,709.20/x
  3. Step 3: Cross multiply
    651,447,381.20x = 977,171,071.80 × 549,410,709.20
  4. Step 4: Simplify right side
    651,447,381.20x = 536,868,251,567,362,112
  5. Step 5: Solve for x
    x = 536,868,251,567,362,112/651,447,381.20
  6. Step 6: Final answer
    x = 824,116,063.80

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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.