Home / 1,319,473,223.18-1,978,250,220.38-619,604,723.74

Finding the Fourth Proportional to 1,319,473,223.18, 1,978,250,220.38 and 619,604,723.74

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Solution

The fourth proportional to 1,319,473,223.18, 1,978,250,220.38 and 619,604,723.74 is: 928,956,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,473,223.18 : 1,978,250,220.38 = 619,604,723.74 : x
  2. Step 2: Convert to fraction form
    1,319,473,223.18/1,978,250,220.38 = 619,604,723.74/x
  3. Step 3: Cross multiply
    1,319,473,223.18x = 1,978,250,220.38 × 619,604,723.74
  4. Step 4: Simplify right side
    1,319,473,223.18x = 1,225,733,181,287,144,192
  5. Step 5: Solve for x
    x = 1,225,733,181,287,144,192/1,319,473,223.18
  6. Step 6: Final answer
    x = 928,956,465.17

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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.