Home / 1,279,152,182.40-1,918,168,401.60-588,830,006.40

Finding the Fourth Proportional to 1,279,152,182.40, 1,918,168,401.60 and 588,830,006.40

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Solution

The fourth proportional to 1,279,152,182.40, 1,918,168,401.60 and 588,830,006.40 is: 882,987,284.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,152,182.40 : 1,918,168,401.60 = 588,830,006.40 : x
  2. Step 2: Convert to fraction form
    1,279,152,182.40/1,918,168,401.60 = 588,830,006.40/x
  3. Step 3: Cross multiply
    1,279,152,182.40x = 1,918,168,401.60 × 588,830,006.40
  4. Step 4: Simplify right side
    1,279,152,182.40x = 1,129,475,112,190,405,632
  5. Step 5: Solve for x
    x = 1,129,475,112,190,405,632/1,279,152,182.40
  6. Step 6: Final answer
    x = 882,987,284.65

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1.5x scale

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.