Home / 811,487,947.92-1,119,878,360.60-459,056,870.16

Finding the Fourth Proportional to 811,487,947.92, 1,119,878,360.60 and 459,056,870.16

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Solution

The fourth proportional to 811,487,947.92, 1,119,878,360.60 and 459,056,870.16 is: 633,512,619.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,487,947.92 : 1,119,878,360.60 = 459,056,870.16 : x
  2. Step 2: Convert to fraction form
    811,487,947.92/1,119,878,360.60 = 459,056,870.16/x
  3. Step 3: Cross multiply
    811,487,947.92x = 1,119,878,360.60 × 459,056,870.16
  4. Step 4: Simplify right side
    811,487,947.92x = 514,087,855,176,947,840
  5. Step 5: Solve for x
    x = 514,087,855,176,947,840/811,487,947.92
  6. Step 6: Final answer
    x = 633,512,619.00

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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.