Home / 889,924,550.04-1,227,983,000.36-487,932,510.96

Finding the Fourth Proportional to 889,924,550.04, 1,227,983,000.36 and 487,932,510.96

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Solution

The fourth proportional to 889,924,550.04, 1,227,983,000.36 and 487,932,510.96 is: 673,284,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,924,550.04 : 1,227,983,000.36 = 487,932,510.96 : x
  2. Step 2: Convert to fraction form
    889,924,550.04/1,227,983,000.36 = 487,932,510.96/x
  3. Step 3: Cross multiply
    889,924,550.04x = 1,227,983,000.36 × 487,932,510.96
  4. Step 4: Simplify right side
    889,924,550.04x = 599,172,828,779,409,664
  5. Step 5: Solve for x
    x = 599,172,828,779,409,664/889,924,550.04
  6. Step 6: Final answer
    x = 673,284,975.40

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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.