Home / 717,051,614.40-1,075,577,421.60-711,676,843.20

Finding the Fourth Proportional to 717,051,614.40, 1,075,577,421.60 and 711,676,843.20

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Solution

The fourth proportional to 717,051,614.40, 1,075,577,421.60 and 711,676,843.20 is: 1,067,515,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,051,614.40 : 1,075,577,421.60 = 711,676,843.20 : x
  2. Step 2: Convert to fraction form
    717,051,614.40/1,075,577,421.60 = 711,676,843.20/x
  3. Step 3: Cross multiply
    717,051,614.40x = 1,075,577,421.60 × 711,676,843.20
  4. Step 4: Simplify right side
    717,051,614.40x = 765,463,544,021,483,520
  5. Step 5: Solve for x
    x = 765,463,544,021,483,520/717,051,614.40
  6. Step 6: Final answer
    x = 1,067,515,264.80

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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.