Home / 858,673,219.20-1,288,009,828.80-586,575,427.20

Finding the Fourth Proportional to 858,673,219.20, 1,288,009,828.80 and 586,575,427.20

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Solution

The fourth proportional to 858,673,219.20, 1,288,009,828.80 and 586,575,427.20 is: 879,863,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,673,219.20 : 1,288,009,828.80 = 586,575,427.20 : x
  2. Step 2: Convert to fraction form
    858,673,219.20/1,288,009,828.80 = 586,575,427.20/x
  3. Step 3: Cross multiply
    858,673,219.20x = 1,288,009,828.80 × 586,575,427.20
  4. Step 4: Simplify right side
    858,673,219.20x = 755,514,915,566,158,848
  5. Step 5: Solve for x
    x = 755,514,915,566,158,848/858,673,219.20
  6. Step 6: Final answer
    x = 879,863,140.80

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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.