Home / 457,106,802.40-630,786,274.71-258,869,715.76

Finding the Fourth Proportional to 457,106,802.40, 630,786,274.71 and 258,869,715.76

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Solution

The fourth proportional to 457,106,802.40, 630,786,274.71 and 258,869,715.76 is: 357,228,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,106,802.40 : 630,786,274.71 = 258,869,715.76 : x
  2. Step 2: Convert to fraction form
    457,106,802.40/630,786,274.71 = 258,869,715.76/x
  3. Step 3: Cross multiply
    457,106,802.40x = 630,786,274.71 × 258,869,715.76
  4. Step 4: Simplify right side
    457,106,802.40x = 163,291,463,639,304,672
  5. Step 5: Solve for x
    x = 163,291,463,639,304,672/457,106,802.40
  6. Step 6: Final answer
    x = 357,228,251.21

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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.