Home / 1,601,925,125.40-2,402,887,688.10-511,488,005.40

Finding the Fourth Proportional to 1,601,925,125.40, 2,402,887,688.10 and 511,488,005.40

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Solution

The fourth proportional to 1,601,925,125.40, 2,402,887,688.10 and 511,488,005.40 is: 767,232,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,925,125.40 : 2,402,887,688.10 = 511,488,005.40 : x
  2. Step 2: Convert to fraction form
    1,601,925,125.40/2,402,887,688.10 = 511,488,005.40/x
  3. Step 3: Cross multiply
    1,601,925,125.40x = 2,402,887,688.10 × 511,488,005.40
  4. Step 4: Simplify right side
    1,601,925,125.40x = 1,229,048,230,786,486,272
  5. Step 5: Solve for x
    x = 1,229,048,230,786,486,272/1,601,925,125.40
  6. Step 6: Final answer
    x = 767,232,008.10

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Double scale
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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.