Home / 1,492,403,897.20-2,238,605,845.80-715,649,731.60

Finding the Fourth Proportional to 1,492,403,897.20, 2,238,605,845.80 and 715,649,731.60

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Solution

The fourth proportional to 1,492,403,897.20, 2,238,605,845.80 and 715,649,731.60 is: 1,073,474,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,403,897.20 : 2,238,605,845.80 = 715,649,731.60 : x
  2. Step 2: Convert to fraction form
    1,492,403,897.20/2,238,605,845.80 = 715,649,731.60/x
  3. Step 3: Cross multiply
    1,492,403,897.20x = 2,238,605,845.80 × 715,649,731.60
  4. Step 4: Simplify right side
    1,492,403,897.20x = 1,602,057,672,704,961,280
  5. Step 5: Solve for x
    x = 1,602,057,672,704,961,280/1,492,403,897.20
  6. Step 6: Final answer
    x = 1,073,474,597.40

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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.