Home / 1,223,436,567,831.60-1,688,344,137,985-667,243,039,422.35

Finding the Fourth Proportional to 1,223,436,567,831.60, 1,688,344,137,985 and 667,243,039,422.35

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Solution

The fourth proportional to 1,223,436,567,831.60, 1,688,344,137,985 and 667,243,039,422.35 is: 920,796,307,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,436,567,831.60 : 1,688,344,137,985 = 667,243,039,422.35 : x
  2. Step 2: Convert to fraction form
    1,223,436,567,831.60/1,688,344,137,985 = 667,243,039,422.35/x
  3. Step 3: Cross multiply
    1,223,436,567,831.60x = 1,688,344,137,985 × 667,243,039,422.35
  4. Step 4: Simplify right side
    1,223,436,567,831.60x = 1,126,535,874,220,018,903,285,760
  5. Step 5: Solve for x
    x = 1,126,535,874,220,018,903,285,760/1,223,436,567,831.60
  6. Step 6: Final answer
    x = 920,796,307,581.91

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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.