Home / 654,856,983.33-903,698,039.76-357,499,225.50

Finding the Fourth Proportional to 654,856,983.33, 903,698,039.76 and 357,499,225.50

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Solution

The fourth proportional to 654,856,983.33, 903,698,039.76 and 357,499,225.50 is: 493,346,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,856,983.33 : 903,698,039.76 = 357,499,225.50 : x
  2. Step 2: Convert to fraction form
    654,856,983.33/903,698,039.76 = 357,499,225.50/x
  3. Step 3: Cross multiply
    654,856,983.33x = 903,698,039.76 × 357,499,225.50
  4. Step 4: Simplify right side
    654,856,983.33x = 323,071,349,300,068,224
  5. Step 5: Solve for x
    x = 323,071,349,300,068,224/654,856,983.33
  6. Step 6: Final answer
    x = 493,346,421.47

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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.