Home / 447,949,205.40-671,923,808.10-371,421,701.40

Finding the Fourth Proportional to 447,949,205.40, 671,923,808.10 and 371,421,701.40

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Solution

The fourth proportional to 447,949,205.40, 671,923,808.10 and 371,421,701.40 is: 557,132,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,949,205.40 : 671,923,808.10 = 371,421,701.40 : x
  2. Step 2: Convert to fraction form
    447,949,205.40/671,923,808.10 = 371,421,701.40/x
  3. Step 3: Cross multiply
    447,949,205.40x = 671,923,808.10 × 371,421,701.40
  4. Step 4: Simplify right side
    447,949,205.40x = 249,567,084,015,669,088
  5. Step 5: Solve for x
    x = 249,567,084,015,669,088/447,949,205.40
  6. Step 6: Final answer
    x = 557,132,552.10

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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.