Home / 660,602,325.60-990,871,995.60-223,860,175.20

Finding the Fourth Proportional to 660,602,325.60, 990,871,995.60 and 223,860,175.20

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Solution

The fourth proportional to 660,602,325.60, 990,871,995.60 and 223,860,175.20 is: 335,779,590.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,602,325.60 : 990,871,995.60 = 223,860,175.20 : x
  2. Step 2: Convert to fraction form
    660,602,325.60/990,871,995.60 = 223,860,175.20/x
  3. Step 3: Cross multiply
    660,602,325.60x = 990,871,995.60 × 223,860,175.20
  4. Step 4: Simplify right side
    660,602,325.60x = 221,816,778,535,789,632
  5. Step 5: Solve for x
    x = 221,816,778,535,789,632/660,602,325.60
  6. Step 6: Final answer
    x = 335,779,590.75

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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.