Home / 751,815,905.14-1,037,421,800.65-417,302,528.72

Finding the Fourth Proportional to 751,815,905.14, 1,037,421,800.65 and 417,302,528.72

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Solution

The fourth proportional to 751,815,905.14, 1,037,421,800.65 and 417,302,528.72 is: 575,830,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,815,905.14 : 1,037,421,800.65 = 417,302,528.72 : x
  2. Step 2: Convert to fraction form
    751,815,905.14/1,037,421,800.65 = 417,302,528.72/x
  3. Step 3: Cross multiply
    751,815,905.14x = 1,037,421,800.65 × 417,302,528.72
  4. Step 4: Simplify right side
    751,815,905.14x = 432,918,740,761,686,400
  5. Step 5: Solve for x
    x = 432,918,740,761,686,400/751,815,905.14
  6. Step 6: Final answer
    x = 575,830,782.24

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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.