Home / 1,351,447,578.05-1,865,644,364.28-900,076,697.46

Finding the Fourth Proportional to 1,351,447,578.05, 1,865,644,364.28 and 900,076,697.46

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Solution

The fourth proportional to 1,351,447,578.05, 1,865,644,364.28 and 900,076,697.46 is: 1,242,536,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,447,578.05 : 1,865,644,364.28 = 900,076,697.46 : x
  2. Step 2: Convert to fraction form
    1,351,447,578.05/1,865,644,364.28 = 900,076,697.46/x
  3. Step 3: Cross multiply
    1,351,447,578.05x = 1,865,644,364.28 × 900,076,697.46
  4. Step 4: Simplify right side
    1,351,447,578.05x = 1,679,223,018,036,003,584
  5. Step 5: Solve for x
    x = 1,679,223,018,036,003,584/1,351,447,578.05
  6. Step 6: Final answer
    x = 1,242,536,555.11

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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.