Home / 887,108,711.16-1,224,160,430.04-485,143,075.56

Finding the Fourth Proportional to 887,108,711.16, 1,224,160,430.04 and 485,143,075.56

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Solution

The fourth proportional to 887,108,711.16, 1,224,160,430.04 and 485,143,075.56 is: 669,470,323.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,108,711.16 : 1,224,160,430.04 = 485,143,075.56 : x
  2. Step 2: Convert to fraction form
    887,108,711.16/1,224,160,430.04 = 485,143,075.56/x
  3. Step 3: Cross multiply
    887,108,711.16x = 1,224,160,430.04 × 485,143,075.56
  4. Step 4: Simplify right side
    887,108,711.16x = 593,892,956,008,457,856
  5. Step 5: Solve for x
    x = 593,892,956,008,457,856/887,108,711.16
  6. Step 6: Final answer
    x = 669,470,323.69

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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.