Home / 877,240,213.60-1,315,860,320.40-705,053,329.60

Finding the Fourth Proportional to 877,240,213.60, 1,315,860,320.40 and 705,053,329.60

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Solution

The fourth proportional to 877,240,213.60, 1,315,860,320.40 and 705,053,329.60 is: 1,057,579,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,240,213.60 : 1,315,860,320.40 = 705,053,329.60 : x
  2. Step 2: Convert to fraction form
    877,240,213.60/1,315,860,320.40 = 705,053,329.60/x
  3. Step 3: Cross multiply
    877,240,213.60x = 1,315,860,320.40 × 705,053,329.60
  4. Step 4: Simplify right side
    877,240,213.60x = 927,751,700,186,542,848
  5. Step 5: Solve for x
    x = 927,751,700,186,542,848/877,240,213.60
  6. Step 6: Final answer
    x = 1,057,579,994.40

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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.