Home / 922,710,402.93-1,273,340,355.86-505,022,688.23

Finding the Fourth Proportional to 922,710,402.93, 1,273,340,355.86 and 505,022,688.23

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Solution

The fourth proportional to 922,710,402.93, 1,273,340,355.86 and 505,022,688.23 is: 696,931,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,710,402.93 : 1,273,340,355.86 = 505,022,688.23 : x
  2. Step 2: Convert to fraction form
    922,710,402.93/1,273,340,355.86 = 505,022,688.23/x
  3. Step 3: Cross multiply
    922,710,402.93x = 1,273,340,355.86 × 505,022,688.23
  4. Step 4: Simplify right side
    922,710,402.93x = 643,065,769,543,744,640
  5. Step 5: Solve for x
    x = 643,065,769,543,744,640/922,710,402.93
  6. Step 6: Final answer
    x = 696,931,309.65

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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.