Home / 558,484,142.69-770,762,555.36-417,109,921.74

Finding the Fourth Proportional to 558,484,142.69, 770,762,555.36 and 417,109,921.74

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Solution

The fourth proportional to 558,484,142.69, 770,762,555.36 and 417,109,921.74 is: 575,652,349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,484,142.69 : 770,762,555.36 = 417,109,921.74 : x
  2. Step 2: Convert to fraction form
    558,484,142.69/770,762,555.36 = 417,109,921.74/x
  3. Step 3: Cross multiply
    558,484,142.69x = 770,762,555.36 × 417,109,921.74
  4. Step 4: Simplify right side
    558,484,142.69x = 321,492,709,146,986,880
  5. Step 5: Solve for x
    x = 321,492,709,146,986,880/558,484,142.69
  6. Step 6: Final answer
    x = 575,652,349.94

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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.