Home / 970,059,925.65-1,455,089,888.48-279,989,692.05

Finding the Fourth Proportional to 970,059,925.65, 1,455,089,888.48 and 279,989,692.05

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Solution

The fourth proportional to 970,059,925.65, 1,455,089,888.48 and 279,989,692.05 is: 419,984,538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,059,925.65 : 1,455,089,888.48 = 279,989,692.05 : x
  2. Step 2: Convert to fraction form
    970,059,925.65/1,455,089,888.48 = 279,989,692.05/x
  3. Step 3: Cross multiply
    970,059,925.65x = 1,455,089,888.48 × 279,989,692.05
  4. Step 4: Simplify right side
    970,059,925.65x = 407,410,169,779,184,064
  5. Step 5: Solve for x
    x = 407,410,169,779,184,064/970,059,925.65
  6. Step 6: Final answer
    x = 419,984,538.08

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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.