Home / 1,351,224,780.47-2,026,445,675.80-405,784,724.21

Finding the Fourth Proportional to 1,351,224,780.47, 2,026,445,675.80 and 405,784,724.21

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Solution

The fourth proportional to 1,351,224,780.47, 2,026,445,675.80 and 405,784,724.21 is: 608,559,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,224,780.47 : 2,026,445,675.80 = 405,784,724.21 : x
  2. Step 2: Convert to fraction form
    1,351,224,780.47/2,026,445,675.80 = 405,784,724.21/x
  3. Step 3: Cross multiply
    1,351,224,780.47x = 2,026,445,675.80 × 405,784,724.21
  4. Step 4: Simplify right side
    1,351,224,780.47x = 822,300,699,681,049,984
  5. Step 5: Solve for x
    x = 822,300,699,681,049,984/1,351,224,780.47
  6. Step 6: Final answer
    x = 608,559,516.94

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Double scale
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1.5x scale

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.