Home / 1,015,721,705.42-1,522,307,887.05-549,364,513.22

Finding the Fourth Proportional to 1,015,721,705.42, 1,522,307,887.05 and 549,364,513.22

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Solution

The fourth proportional to 1,015,721,705.42, 1,522,307,887.05 and 549,364,513.22 is: 823,357,349.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,721,705.42 : 1,522,307,887.05 = 549,364,513.22 : x
  2. Step 2: Convert to fraction form
    1,015,721,705.42/1,522,307,887.05 = 549,364,513.22/x
  3. Step 3: Cross multiply
    1,015,721,705.42x = 1,522,307,887.05 × 549,364,513.22
  4. Step 4: Simplify right side
    1,015,721,705.42x = 836,301,931,340,189,952
  5. Step 5: Solve for x
    x = 836,301,931,340,189,952/1,015,721,705.42
  6. Step 6: Final answer
    x = 823,357,349.63

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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.