Home / 562,205,218.32-776,651,347.71-449,026,108.38

Finding the Fourth Proportional to 562,205,218.32, 776,651,347.71 and 449,026,108.38

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Solution

The fourth proportional to 562,205,218.32, 776,651,347.71 and 449,026,108.38 is: 620,301,485.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,205,218.32 : 776,651,347.71 = 449,026,108.38 : x
  2. Step 2: Convert to fraction form
    562,205,218.32/776,651,347.71 = 449,026,108.38/x
  3. Step 3: Cross multiply
    562,205,218.32x = 776,651,347.71 × 449,026,108.38
  4. Step 4: Simplify right side
    562,205,218.32x = 348,736,732,230,303,552
  5. Step 5: Solve for x
    x = 348,736,732,230,303,552/562,205,218.32
  6. Step 6: Final answer
    x = 620,301,485.77

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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.