Home / 488,334,890.70-732,502,336.05-422,577,924.30

Finding the Fourth Proportional to 488,334,890.70, 732,502,336.05 and 422,577,924.30

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Solution

The fourth proportional to 488,334,890.70, 732,502,336.05 and 422,577,924.30 is: 633,866,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,334,890.70 : 732,502,336.05 = 422,577,924.30 : x
  2. Step 2: Convert to fraction form
    488,334,890.70/732,502,336.05 = 422,577,924.30/x
  3. Step 3: Cross multiply
    488,334,890.70x = 732,502,336.05 × 422,577,924.30
  4. Step 4: Simplify right side
    488,334,890.70x = 309,539,316,712,910,080
  5. Step 5: Solve for x
    x = 309,539,316,712,910,080/488,334,890.70
  6. Step 6: Final answer
    x = 633,866,886.45

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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.