Home / 742,234,607.87-1,024,222,776.04-407,689,841.17

Finding the Fourth Proportional to 742,234,607.87, 1,024,222,776.04 and 407,689,841.17

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Solution

The fourth proportional to 742,234,607.87, 1,024,222,776.04 and 407,689,841.17 is: 562,578,484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,234,607.87 : 1,024,222,776.04 = 407,689,841.17 : x
  2. Step 2: Convert to fraction form
    742,234,607.87/1,024,222,776.04 = 407,689,841.17/x
  3. Step 3: Cross multiply
    742,234,607.87x = 1,024,222,776.04 × 407,689,841.17
  4. Step 4: Simplify right side
    742,234,607.87x = 417,565,220,886,444,096
  5. Step 5: Solve for x
    x = 417,565,220,886,444,096/742,234,607.87
  6. Step 6: Final answer
    x = 562,578,484.56

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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.