Home / 896,934,774.76-1,346,088,865.14-405,992,814.36

Finding the Fourth Proportional to 896,934,774.76, 1,346,088,865.14 and 405,992,814.36

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Solution

The fourth proportional to 896,934,774.76, 1,346,088,865.14 and 405,992,814.36 is: 609,300,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,934,774.76 : 1,346,088,865.14 = 405,992,814.36 : x
  2. Step 2: Convert to fraction form
    896,934,774.76/1,346,088,865.14 = 405,992,814.36/x
  3. Step 3: Cross multiply
    896,934,774.76x = 1,346,088,865.14 × 405,992,814.36
  4. Step 4: Simplify right side
    896,934,774.76x = 546,502,406,736,847,168
  5. Step 5: Solve for x
    x = 546,502,406,736,847,168/896,934,774.76
  6. Step 6: Final answer
    x = 609,300,054.05

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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.