Home / 492,841,825.76-680,127,094.32-272,828,925.92

Finding the Fourth Proportional to 492,841,825.76, 680,127,094.32 and 272,828,925.92

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Solution

The fourth proportional to 492,841,825.76, 680,127,094.32 and 272,828,925.92 is: 376,506,893.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,841,825.76 : 680,127,094.32 = 272,828,925.92 : x
  2. Step 2: Convert to fraction form
    492,841,825.76/680,127,094.32 = 272,828,925.92/x
  3. Step 3: Cross multiply
    492,841,825.76x = 680,127,094.32 × 272,828,925.92
  4. Step 4: Simplify right side
    492,841,825.76x = 185,558,344,632,416,160
  5. Step 5: Solve for x
    x = 185,558,344,632,416,160/492,841,825.76
  6. Step 6: Final answer
    x = 376,506,893.15

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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.