Home / 830,158,117.05-1,245,239,539.45-239,996,400.01

Finding the Fourth Proportional to 830,158,117.05, 1,245,239,539.45 and 239,996,400.01

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Solution

The fourth proportional to 830,158,117.05, 1,245,239,539.45 and 239,996,400.01 is: 359,995,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,158,117.05 : 1,245,239,539.45 = 239,996,400.01 : x
  2. Step 2: Convert to fraction form
    830,158,117.05/1,245,239,539.45 = 239,996,400.01/x
  3. Step 3: Cross multiply
    830,158,117.05x = 1,245,239,539.45 × 239,996,400.01
  4. Step 4: Simplify right side
    830,158,117.05x = 298,853,006,618,110,400
  5. Step 5: Solve for x
    x = 298,853,006,618,110,400/830,158,117.05
  6. Step 6: Final answer
    x = 359,995,283.40

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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.