Home / 1,272,681,396.02-1,909,023,165.58-608,539,155.50

Finding the Fourth Proportional to 1,272,681,396.02, 1,909,023,165.58 and 608,539,155.50

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Solution

The fourth proportional to 1,272,681,396.02, 1,909,023,165.58 and 608,539,155.50 is: 912,809,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,681,396.02 : 1,909,023,165.58 = 608,539,155.50 : x
  2. Step 2: Convert to fraction form
    1,272,681,396.02/1,909,023,165.58 = 608,539,155.50/x
  3. Step 3: Cross multiply
    1,272,681,396.02x = 1,909,023,165.58 × 608,539,155.50
  4. Step 4: Simplify right side
    1,272,681,396.02x = 1,161,715,345,011,989,760
  5. Step 5: Solve for x
    x = 1,161,715,345,011,989,760/1,272,681,396.02
  6. Step 6: Final answer
    x = 912,809,245.62

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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.