Home / 949,128,045.60-1,423,692,068.40-259,105,051.20

Finding the Fourth Proportional to 949,128,045.60, 1,423,692,068.40 and 259,105,051.20

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Solution

The fourth proportional to 949,128,045.60, 1,423,692,068.40 and 259,105,051.20 is: 388,657,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,128,045.60 : 1,423,692,068.40 = 259,105,051.20 : x
  2. Step 2: Convert to fraction form
    949,128,045.60/1,423,692,068.40 = 259,105,051.20/x
  3. Step 3: Cross multiply
    949,128,045.60x = 1,423,692,068.40 × 259,105,051.20
  4. Step 4: Simplify right side
    949,128,045.60x = 368,885,806,275,815,936
  5. Step 5: Solve for x
    x = 368,885,806,275,815,936/949,128,045.60
  6. Step 6: Final answer
    x = 388,657,576.80

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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.