Home / 1,174,335,801.69-1,762,190,589.96-437,914,465.05

Finding the Fourth Proportional to 1,174,335,801.69, 1,762,190,589.96 and 437,914,465.05

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Solution

The fourth proportional to 1,174,335,801.69, 1,762,190,589.96 and 437,914,465.05 is: 657,127,840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,335,801.69 : 1,762,190,589.96 = 437,914,465.05 : x
  2. Step 2: Convert to fraction form
    1,174,335,801.69/1,762,190,589.96 = 437,914,465.05/x
  3. Step 3: Cross multiply
    1,174,335,801.69x = 1,762,190,589.96 × 437,914,465.05
  4. Step 4: Simplify right side
    1,174,335,801.69x = 771,688,749,518,477,312
  5. Step 5: Solve for x
    x = 771,688,749,518,477,312/1,174,335,801.69
  6. Step 6: Final answer
    x = 657,127,840.61

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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.