Home / 459,783,116.51-689,075,845.00-186,834,785.63

Finding the Fourth Proportional to 459,783,116.51, 689,075,845.00 and 186,834,785.63

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Solution

The fourth proportional to 459,783,116.51, 689,075,845.00 and 186,834,785.63 is: 280,008,841.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,783,116.51 : 689,075,845.00 = 186,834,785.63 : x
  2. Step 2: Convert to fraction form
    459,783,116.51/689,075,845.00 = 186,834,785.63/x
  3. Step 3: Cross multiply
    459,783,116.51x = 689,075,845.00 × 186,834,785.63
  4. Step 4: Simplify right side
    459,783,116.51x = 128,743,337,779,473,632
  5. Step 5: Solve for x
    x = 128,743,337,779,473,632/459,783,116.51
  6. Step 6: Final answer
    x = 280,008,841.47

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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.