Home / 356,088,688.40-534,133,032.60-323,777,075.60

Finding the Fourth Proportional to 356,088,688.40, 534,133,032.60 and 323,777,075.60

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Solution

The fourth proportional to 356,088,688.40, 534,133,032.60 and 323,777,075.60 is: 485,665,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,088,688.40 : 534,133,032.60 = 323,777,075.60 : x
  2. Step 2: Convert to fraction form
    356,088,688.40/534,133,032.60 = 323,777,075.60/x
  3. Step 3: Cross multiply
    356,088,688.40x = 534,133,032.60 × 323,777,075.60
  4. Step 4: Simplify right side
    356,088,688.40x = 172,940,031,276,587,488
  5. Step 5: Solve for x
    x = 172,940,031,276,587,488/356,088,688.40
  6. Step 6: Final answer
    x = 485,665,613.40

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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.