Home / 684,721,501.41-944,835,955.56-383,323,317.06

Finding the Fourth Proportional to 684,721,501.41, 944,835,955.56 and 383,323,317.06

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Solution

The fourth proportional to 684,721,501.41, 944,835,955.56 and 383,323,317.06 is: 528,941,550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,721,501.41 : 944,835,955.56 = 383,323,317.06 : x
  2. Step 2: Convert to fraction form
    684,721,501.41/944,835,955.56 = 383,323,317.06/x
  3. Step 3: Cross multiply
    684,721,501.41x = 944,835,955.56 × 383,323,317.06
  4. Step 4: Simplify right side
    684,721,501.41x = 362,177,652,562,813,952
  5. Step 5: Solve for x
    x = 362,177,652,562,813,952/684,721,501.41
  6. Step 6: Final answer
    x = 528,941,550.42

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1.5x scale

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.