Home / 448,403,787.60-672,605,681.40-275,319,358.80

Finding the Fourth Proportional to 448,403,787.60, 672,605,681.40 and 275,319,358.80

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Solution

The fourth proportional to 448,403,787.60, 672,605,681.40 and 275,319,358.80 is: 412,979,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,403,787.60 : 672,605,681.40 = 275,319,358.80 : x
  2. Step 2: Convert to fraction form
    448,403,787.60/672,605,681.40 = 275,319,358.80/x
  3. Step 3: Cross multiply
    448,403,787.60x = 672,605,681.40 × 275,319,358.80
  4. Step 4: Simplify right side
    448,403,787.60x = 185,181,364,928,285,088
  5. Step 5: Solve for x
    x = 185,181,364,928,285,088/448,403,787.60
  6. Step 6: Final answer
    x = 412,979,038.20

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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.