Home / 839,232,017.20-1,259,981,766.60-533,122,001.20

Finding the Fourth Proportional to 839,232,017.20, 1,259,981,766.60 and 533,122,001.20

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Solution

The fourth proportional to 839,232,017.20, 1,259,981,766.60 and 533,122,001.20 is: 800,403,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,232,017.20 : 1,259,981,766.60 = 533,122,001.20 : x
  2. Step 2: Convert to fraction form
    839,232,017.20/1,259,981,766.60 = 533,122,001.20/x
  3. Step 3: Cross multiply
    839,232,017.20x = 1,259,981,766.60 × 533,122,001.20
  4. Step 4: Simplify right side
    839,232,017.20x = 671,724,000,885,303,296
  5. Step 5: Solve for x
    x = 671,724,000,885,303,296/839,232,017.20
  6. Step 6: Final answer
    x = 800,403,210.46

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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.