Home / 1,254,739,633.34-1,881,710,144.42-414,225,878.72

Finding the Fourth Proportional to 1,254,739,633.34, 1,881,710,144.42 and 414,225,878.72

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Solution

The fourth proportional to 1,254,739,633.34, 1,881,710,144.42 and 414,225,878.72 is: 621,206,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,739,633.34 : 1,881,710,144.42 = 414,225,878.72 : x
  2. Step 2: Convert to fraction form
    1,254,739,633.34/1,881,710,144.42 = 414,225,878.72/x
  3. Step 3: Cross multiply
    1,254,739,633.34x = 1,881,710,144.42 × 414,225,878.72
  4. Step 4: Simplify right side
    1,254,739,633.34x = 779,453,038,057,232,896
  5. Step 5: Solve for x
    x = 779,453,038,057,232,896/1,254,739,633.34
  6. Step 6: Final answer
    x = 621,206,995.74

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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.