Home / 1,145,114,561.40-1,717,671,842.10-531,494,849.40

Finding the Fourth Proportional to 1,145,114,561.40, 1,717,671,842.10 and 531,494,849.40

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Solution

The fourth proportional to 1,145,114,561.40, 1,717,671,842.10 and 531,494,849.40 is: 797,242,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,114,561.40 : 1,717,671,842.10 = 531,494,849.40 : x
  2. Step 2: Convert to fraction form
    1,145,114,561.40/1,717,671,842.10 = 531,494,849.40/x
  3. Step 3: Cross multiply
    1,145,114,561.40x = 1,717,671,842.10 × 531,494,849.40
  4. Step 4: Simplify right side
    1,145,114,561.40x = 912,933,737,035,559,936
  5. Step 5: Solve for x
    x = 912,933,737,035,559,936/1,145,114,561.40
  6. Step 6: Final answer
    x = 797,242,274.10

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Double scale
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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.