Home / 672,816,340.15-1,009,220,275.28-362,070,331.80

Finding the Fourth Proportional to 672,816,340.15, 1,009,220,275.28 and 362,070,331.80

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Solution

The fourth proportional to 672,816,340.15, 1,009,220,275.28 and 362,070,331.80 is: 543,103,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,816,340.15 : 1,009,220,275.28 = 362,070,331.80 : x
  2. Step 2: Convert to fraction form
    672,816,340.15/1,009,220,275.28 = 362,070,331.80/x
  3. Step 3: Cross multiply
    672,816,340.15x = 1,009,220,275.28 × 362,070,331.80
  4. Step 4: Simplify right side
    672,816,340.15x = 365,408,719,927,037,504
  5. Step 5: Solve for x
    x = 365,408,719,927,037,504/672,816,340.15
  6. Step 6: Final answer
    x = 543,103,218.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.