Home / 673,638,955.14-930,531,636.18-507,630,071.28

Finding the Fourth Proportional to 673,638,955.14, 930,531,636.18 and 507,630,071.28

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Solution

The fourth proportional to 673,638,955.14, 930,531,636.18 and 507,630,071.28 is: 701,215,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,638,955.14 : 930,531,636.18 = 507,630,071.28 : x
  2. Step 2: Convert to fraction form
    673,638,955.14/930,531,636.18 = 507,630,071.28/x
  3. Step 3: Cross multiply
    673,638,955.14x = 930,531,636.18 × 507,630,071.28
  4. Step 4: Simplify right side
    673,638,955.14x = 472,365,840,802,348,352
  5. Step 5: Solve for x
    x = 472,365,840,802,348,352/673,638,955.14
  6. Step 6: Final answer
    x = 701,215,149.74

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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.