Home / 1,578,283,890.80-2,367,575,135.40-429,426,546.80

Finding the Fourth Proportional to 1,578,283,890.80, 2,367,575,135.40 and 429,426,546.80

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Solution

The fourth proportional to 1,578,283,890.80, 2,367,575,135.40 and 429,426,546.80 is: 644,180,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,283,890.80 : 2,367,575,135.40 = 429,426,546.80 : x
  2. Step 2: Convert to fraction form
    1,578,283,890.80/2,367,575,135.40 = 429,426,546.80/x
  3. Step 3: Cross multiply
    1,578,283,890.80x = 2,367,575,135.40 × 429,426,546.80
  4. Step 4: Simplify right side
    1,578,283,890.80x = 1,016,699,614,684,364,544
  5. Step 5: Solve for x
    x = 1,016,699,614,684,364,544/1,578,283,890.80
  6. Step 6: Final answer
    x = 644,180,442.19

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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.