Home / 1,456,323,505.30-2,184,768,693.15-421,218,154.90

Finding the Fourth Proportional to 1,456,323,505.30, 2,184,768,693.15 and 421,218,154.90

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Solution

The fourth proportional to 1,456,323,505.30, 2,184,768,693.15 and 421,218,154.90 is: 631,909,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,323,505.30 : 2,184,768,693.15 = 421,218,154.90 : x
  2. Step 2: Convert to fraction form
    1,456,323,505.30/2,184,768,693.15 = 421,218,154.90/x
  3. Step 3: Cross multiply
    1,456,323,505.30x = 2,184,768,693.15 × 421,218,154.90
  4. Step 4: Simplify right side
    1,456,323,505.30x = 920,264,237,811,927,296
  5. Step 5: Solve for x
    x = 920,264,237,811,927,296/1,456,323,505.30
  6. Step 6: Final answer
    x = 631,909,211.42

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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.