Home / 863,168,285.04-1,191,264,544.64-528,862,666.80

Finding the Fourth Proportional to 863,168,285.04, 1,191,264,544.64 and 528,862,666.80

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Solution

The fourth proportional to 863,168,285.04, 1,191,264,544.64 and 528,862,666.80 is: 729,887,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,168,285.04 : 1,191,264,544.64 = 528,862,666.80 : x
  2. Step 2: Convert to fraction form
    863,168,285.04/1,191,264,544.64 = 528,862,666.80/x
  3. Step 3: Cross multiply
    863,168,285.04x = 1,191,264,544.64 × 528,862,666.80
  4. Step 4: Simplify right side
    863,168,285.04x = 630,015,343,942,598,144
  5. Step 5: Solve for x
    x = 630,015,343,942,598,144/863,168,285.04
  6. Step 6: Final answer
    x = 729,887,039.25

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1.5x scale

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.