Home / 867,421,434.96-1,301,649,147.86-314,766,976.95

Finding the Fourth Proportional to 867,421,434.96, 1,301,649,147.86 and 314,766,976.95

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Solution

The fourth proportional to 867,421,434.96, 1,301,649,147.86 and 314,766,976.95 is: 472,338,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,421,434.96 : 1,301,649,147.86 = 314,766,976.95 : x
  2. Step 2: Convert to fraction form
    867,421,434.96/1,301,649,147.86 = 314,766,976.95/x
  3. Step 3: Cross multiply
    867,421,434.96x = 1,301,649,147.86 × 314,766,976.95
  4. Step 4: Simplify right side
    867,421,434.96x = 409,716,167,319,861,888
  5. Step 5: Solve for x
    x = 409,716,167,319,861,888/867,421,434.96
  6. Step 6: Final answer
    x = 472,338,070.98

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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.