Home / 763,818,330.96-1,054,078,784.99-462,399,651.39

Finding the Fourth Proportional to 763,818,330.96, 1,054,078,784.99 and 462,399,651.39

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Solution

The fourth proportional to 763,818,330.96, 1,054,078,784.99 and 462,399,651.39 is: 638,117,262.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,818,330.96 : 1,054,078,784.99 = 462,399,651.39 : x
  2. Step 2: Convert to fraction form
    763,818,330.96/1,054,078,784.99 = 462,399,651.39/x
  3. Step 3: Cross multiply
    763,818,330.96x = 1,054,078,784.99 × 462,399,651.39
  4. Step 4: Simplify right side
    763,818,330.96x = 487,405,662,716,970,752
  5. Step 5: Solve for x
    x = 487,405,662,716,970,752/763,818,330.96
  6. Step 6: Final answer
    x = 638,117,262.92

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.