Home / 760,675,017.76-1,049,729,182.53-421,605,115.01

Finding the Fourth Proportional to 760,675,017.76, 1,049,729,182.53 and 421,605,115.01

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Solution

The fourth proportional to 760,675,017.76, 1,049,729,182.53 and 421,605,115.01 is: 581,813,760.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,675,017.76 : 1,049,729,182.53 = 421,605,115.01 : x
  2. Step 2: Convert to fraction form
    760,675,017.76/1,049,729,182.53 = 421,605,115.01/x
  3. Step 3: Cross multiply
    760,675,017.76x = 1,049,729,182.53 × 421,605,115.01
  4. Step 4: Simplify right side
    760,675,017.76x = 442,571,192,729,913,920
  5. Step 5: Solve for x
    x = 442,571,192,729,913,920/760,675,017.76
  6. Step 6: Final answer
    x = 581,813,760.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.