Home / 619,226,827.65-854,533,143.90-340,768,352.70

Finding the Fourth Proportional to 619,226,827.65, 854,533,143.90 and 340,768,352.70

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Solution

The fourth proportional to 619,226,827.65, 854,533,143.90 and 340,768,352.70 is: 470,260,393.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,226,827.65 : 854,533,143.90 = 340,768,352.70 : x
  2. Step 2: Convert to fraction form
    619,226,827.65/854,533,143.90 = 340,768,352.70/x
  3. Step 3: Cross multiply
    619,226,827.65x = 854,533,143.90 × 340,768,352.70
  4. Step 4: Simplify right side
    619,226,827.65x = 291,197,851,774,355,008
  5. Step 5: Solve for x
    x = 291,197,851,774,355,008/619,226,827.65
  6. Step 6: Final answer
    x = 470,260,393.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.