Home / 360,889,402.32-498,038,495.40-212,183,550

Finding the Fourth Proportional to 360,889,402.32, 498,038,495.40 and 212,183,550

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Solution

The fourth proportional to 360,889,402.32, 498,038,495.40 and 212,183,550 is: 292,819,837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,889,402.32 : 498,038,495.40 = 212,183,550 : x
  2. Step 2: Convert to fraction form
    360,889,402.32/498,038,495.40 = 212,183,550/x
  3. Step 3: Cross multiply
    360,889,402.32x = 498,038,495.40 × 212,183,550
  4. Step 4: Simplify right side
    360,889,402.32x = 105,675,575,990,630,672
  5. Step 5: Solve for x
    x = 105,675,575,990,630,672/360,889,402.32
  6. Step 6: Final answer
    x = 292,819,837.08

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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.