Home / 1,272,681,392.52-1,909,023,160.32-608,539,152

Finding the Fourth Proportional to 1,272,681,392.52, 1,909,023,160.32 and 608,539,152

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Solution

The fourth proportional to 1,272,681,392.52, 1,909,023,160.32 and 608,539,152 is: 912,809,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,681,392.52 : 1,909,023,160.32 = 608,539,152 : x
  2. Step 2: Convert to fraction form
    1,272,681,392.52/1,909,023,160.32 = 608,539,152/x
  3. Step 3: Cross multiply
    1,272,681,392.52x = 1,909,023,160.32 × 608,539,152
  4. Step 4: Simplify right side
    1,272,681,392.52x = 1,161,715,335,129,492,736
  5. Step 5: Solve for x
    x = 1,161,715,335,129,492,736/1,272,681,392.52
  6. Step 6: Final answer
    x = 912,809,240.36

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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.