Home / 1,241,272,381.84-1,714,590,996.72-920,051,535.12

Finding the Fourth Proportional to 1,241,272,381.84, 1,714,590,996.72 and 920,051,535.12

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Solution

The fourth proportional to 1,241,272,381.84, 1,714,590,996.72 and 920,051,535.12 is: 1,270,883,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,272,381.84 : 1,714,590,996.72 = 920,051,535.12 : x
  2. Step 2: Convert to fraction form
    1,241,272,381.84/1,714,590,996.72 = 920,051,535.12/x
  3. Step 3: Cross multiply
    1,241,272,381.84x = 1,714,590,996.72 × 920,051,535.12
  4. Step 4: Simplify right side
    1,241,272,381.84x = 1,577,512,078,635,166,976
  5. Step 5: Solve for x
    x = 1,577,512,078,635,166,976/1,241,272,381.84
  6. Step 6: Final answer
    x = 1,270,883,088.77

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Double scale
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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.