Home / 476,928,021.20-715,392,031.80-473,904,712.40

Finding the Fourth Proportional to 476,928,021.20, 715,392,031.80 and 473,904,712.40

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Solution

The fourth proportional to 476,928,021.20, 715,392,031.80 and 473,904,712.40 is: 710,857,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,928,021.20 : 715,392,031.80 = 473,904,712.40 : x
  2. Step 2: Convert to fraction form
    476,928,021.20/715,392,031.80 = 473,904,712.40/x
  3. Step 3: Cross multiply
    476,928,021.20x = 715,392,031.80 × 473,904,712.40
  4. Step 4: Simplify right side
    476,928,021.20x = 339,027,655,083,430,592
  5. Step 5: Solve for x
    x = 339,027,655,083,430,592/476,928,021.20
  6. Step 6: Final answer
    x = 710,857,068.60

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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.