Home / 771,446,545.80-1,064,604,838.32-453,976,960.20

Finding the Fourth Proportional to 771,446,545.80, 1,064,604,838.32 and 453,976,960.20

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Solution

The fourth proportional to 771,446,545.80, 1,064,604,838.32 and 453,976,960.20 is: 626,493,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,446,545.80 : 1,064,604,838.32 = 453,976,960.20 : x
  2. Step 2: Convert to fraction form
    771,446,545.80/1,064,604,838.32 = 453,976,960.20/x
  3. Step 3: Cross multiply
    771,446,545.80x = 1,064,604,838.32 × 453,976,960.20
  4. Step 4: Simplify right side
    771,446,545.80x = 483,306,068,314,726,080
  5. Step 5: Solve for x
    x = 483,306,068,314,726,080/771,446,545.80
  6. Step 6: Final answer
    x = 626,493,268.97

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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.