Home / 1,091,502,051.60-1,637,253,077.40-436,129,010.40

Finding the Fourth Proportional to 1,091,502,051.60, 1,637,253,077.40 and 436,129,010.40

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Solution

The fourth proportional to 1,091,502,051.60, 1,637,253,077.40 and 436,129,010.40 is: 654,193,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,502,051.60 : 1,637,253,077.40 = 436,129,010.40 : x
  2. Step 2: Convert to fraction form
    1,091,502,051.60/1,637,253,077.40 = 436,129,010.40/x
  3. Step 3: Cross multiply
    1,091,502,051.60x = 1,637,253,077.40 × 436,129,010.40
  4. Step 4: Simplify right side
    1,091,502,051.60x = 714,053,564,420,816,640
  5. Step 5: Solve for x
    x = 714,053,564,420,816,640/1,091,502,051.60
  6. Step 6: Final answer
    x = 654,193,515.60

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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.