Home / 708,590,075.70-1,062,885,113.55-648,324,666.30

Finding the Fourth Proportional to 708,590,075.70, 1,062,885,113.55 and 648,324,666.30

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Solution

The fourth proportional to 708,590,075.70, 1,062,885,113.55 and 648,324,666.30 is: 972,486,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,075.70 : 1,062,885,113.55 = 648,324,666.30 : x
  2. Step 2: Convert to fraction form
    708,590,075.70/1,062,885,113.55 = 648,324,666.30/x
  3. Step 3: Cross multiply
    708,590,075.70x = 1,062,885,113.55 × 648,324,666.30
  4. Step 4: Simplify right side
    708,590,075.70x = 689,094,636,557,541,248
  5. Step 5: Solve for x
    x = 689,094,636,557,541,248/708,590,075.70
  6. Step 6: Final answer
    x = 972,486,999.45

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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.