Home / 1,435,107,357.60-2,152,661,036.40-780,372,045.60

Finding the Fourth Proportional to 1,435,107,357.60, 2,152,661,036.40 and 780,372,045.60

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Solution

The fourth proportional to 1,435,107,357.60, 2,152,661,036.40 and 780,372,045.60 is: 1,170,558,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,107,357.60 : 2,152,661,036.40 = 780,372,045.60 : x
  2. Step 2: Convert to fraction form
    1,435,107,357.60/2,152,661,036.40 = 780,372,045.60/x
  3. Step 3: Cross multiply
    1,435,107,357.60x = 2,152,661,036.40 × 780,372,045.60
  4. Step 4: Simplify right side
    1,435,107,357.60x = 1,679,876,496,458,884,096
  5. Step 5: Solve for x
    x = 1,679,876,496,458,884,096/1,435,107,357.60
  6. Step 6: Final answer
    x = 1,170,558,068.40

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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.