Home / 6,402,128,805.48-8,835,861,888.54-3,688,876,958.18

Finding the Fourth Proportional to 6,402,128,805.48, 8,835,861,888.54 and 3,688,876,958.18

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Solution

The fourth proportional to 6,402,128,805.48, 8,835,861,888.54 and 3,688,876,958.18 is: 5,091,182,685.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402,128,805.48 : 8,835,861,888.54 = 3,688,876,958.18 : x
  2. Step 2: Convert to fraction form
    6,402,128,805.48/8,835,861,888.54 = 3,688,876,958.18/x
  3. Step 3: Cross multiply
    6,402,128,805.48x = 8,835,861,888.54 × 3,688,876,958.18
  4. Step 4: Simplify right side
    6,402,128,805.48x = 32,594,407,326,296,027,136
  5. Step 5: Solve for x
    x = 32,594,407,326,296,027,136/6,402,128,805.48
  6. Step 6: Final answer
    x = 5,091,182,685.73

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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.