Home / 461,376,006.40-692,064,009.60-430,918,969.60

Finding the Fourth Proportional to 461,376,006.40, 692,064,009.60 and 430,918,969.60

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Solution

The fourth proportional to 461,376,006.40, 692,064,009.60 and 430,918,969.60 is: 646,378,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,376,006.40 : 692,064,009.60 = 430,918,969.60 : x
  2. Step 2: Convert to fraction form
    461,376,006.40/692,064,009.60 = 430,918,969.60/x
  3. Step 3: Cross multiply
    461,376,006.40x = 692,064,009.60 × 430,918,969.60
  4. Step 4: Simplify right side
    461,376,006.40x = 298,223,509,914,076,544
  5. Step 5: Solve for x
    x = 298,223,509,914,076,544/461,376,006.40
  6. Step 6: Final answer
    x = 646,378,454.40

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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.