Home / 672,042,830.40-1,008,064,245.60-535,993,934.40

Finding the Fourth Proportional to 672,042,830.40, 1,008,064,245.60 and 535,993,934.40

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Solution

The fourth proportional to 672,042,830.40, 1,008,064,245.60 and 535,993,934.40 is: 803,990,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,042,830.40 : 1,008,064,245.60 = 535,993,934.40 : x
  2. Step 2: Convert to fraction form
    672,042,830.40/1,008,064,245.60 = 535,993,934.40/x
  3. Step 3: Cross multiply
    672,042,830.40x = 1,008,064,245.60 × 535,993,934.40
  4. Step 4: Simplify right side
    672,042,830.40x = 540,316,321,127,111,872
  5. Step 5: Solve for x
    x = 540,316,321,127,111,872/672,042,830.40
  6. Step 6: Final answer
    x = 803,990,901.60

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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.