Home / 660,483,739.20-989,875,303.20-506,365,849.20

Finding the Fourth Proportional to 660,483,739.20, 989,875,303.20 and 506,365,849.20

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Solution

The fourth proportional to 660,483,739.20, 989,875,303.20 and 506,365,849.20 is: 758,896,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,483,739.20 : 989,875,303.20 = 506,365,849.20 : x
  2. Step 2: Convert to fraction form
    660,483,739.20/989,875,303.20 = 506,365,849.20/x
  3. Step 3: Cross multiply
    660,483,739.20x = 989,875,303.20 × 506,365,849.20
  4. Step 4: Simplify right side
    660,483,739.20x = 501,239,048,506,975,488
  5. Step 5: Solve for x
    x = 501,239,048,506,975,488/660,483,739.20
  6. Step 6: Final answer
    x = 758,896,879.30

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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.