Home / 466,148,031.13-643,284,345.95-257,304,213.19

Finding the Fourth Proportional to 466,148,031.13, 643,284,345.95 and 257,304,213.19

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Solution

The fourth proportional to 466,148,031.13, 643,284,345.95 and 257,304,213.19 is: 355,079,848.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,148,031.13 : 643,284,345.95 = 257,304,213.19 : x
  2. Step 2: Convert to fraction form
    466,148,031.13/643,284,345.95 = 257,304,213.19/x
  3. Step 3: Cross multiply
    466,148,031.13x = 643,284,345.95 × 257,304,213.19
  4. Step 4: Simplify right side
    466,148,031.13x = 165,519,772,492,108,512
  5. Step 5: Solve for x
    x = 165,519,772,492,108,512/466,148,031.13
  6. Step 6: Final answer
    x = 355,079,848.97

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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.