Home / 1,226,041,345.23-1,838,996,085.87-603,636,099.45

Finding the Fourth Proportional to 1,226,041,345.23, 1,838,996,085.87 and 603,636,099.45

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Solution

The fourth proportional to 1,226,041,345.23, 1,838,996,085.87 and 603,636,099.45 is: 905,421,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,041,345.23 : 1,838,996,085.87 = 603,636,099.45 : x
  2. Step 2: Convert to fraction form
    1,226,041,345.23/1,838,996,085.87 = 603,636,099.45/x
  3. Step 3: Cross multiply
    1,226,041,345.23x = 1,838,996,085.87 × 603,636,099.45
  4. Step 4: Simplify right side
    1,226,041,345.23x = 1,110,084,424,178,384,128
  5. Step 5: Solve for x
    x = 1,110,084,424,178,384,128/1,226,041,345.23
  6. Step 6: Final answer
    x = 905,421,687.86

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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.