Home / 607,362,457.91-838,161,000.21-328,904,461.67

Finding the Fourth Proportional to 607,362,457.91, 838,161,000.21 and 328,904,461.67

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Solution

The fourth proportional to 607,362,457.91, 838,161,000.21 and 328,904,461.67 is: 453,888,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,362,457.91 : 838,161,000.21 = 328,904,461.67 : x
  2. Step 2: Convert to fraction form
    607,362,457.91/838,161,000.21 = 328,904,461.67/x
  3. Step 3: Cross multiply
    607,362,457.91x = 838,161,000.21 × 328,904,461.67
  4. Step 4: Simplify right side
    607,362,457.91x = 275,674,892,562,668,032
  5. Step 5: Solve for x
    x = 275,674,892,562,668,032/607,362,457.91
  6. Step 6: Final answer
    x = 453,888,594.82

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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.