Home / 749,241,831.05-1,033,931,280.49-414,728,065.07

Finding the Fourth Proportional to 749,241,831.05, 1,033,931,280.49 and 414,728,065.07

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Solution

The fourth proportional to 749,241,831.05, 1,033,931,280.49 and 414,728,065.07 is: 572,312,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,241,831.05 : 1,033,931,280.49 = 414,728,065.07 : x
  2. Step 2: Convert to fraction form
    749,241,831.05/1,033,931,280.49 = 414,728,065.07/x
  3. Step 3: Cross multiply
    749,241,831.05x = 1,033,931,280.49 × 414,728,065.07
  4. Step 4: Simplify right side
    749,241,831.05x = 428,800,319,367,795,456
  5. Step 5: Solve for x
    x = 428,800,319,367,795,456/749,241,831.05
  6. Step 6: Final answer
    x = 572,312,305.05

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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.