Home / 709,569,472.80-1,064,553,274.80-346,075,687.20

Finding the Fourth Proportional to 709,569,472.80, 1,064,553,274.80 and 346,075,687.20

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Solution

The fourth proportional to 709,569,472.80, 1,064,553,274.80 and 346,075,687.20 is: 519,210,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,569,472.80 : 1,064,553,274.80 = 346,075,687.20 : x
  2. Step 2: Convert to fraction form
    709,569,472.80/1,064,553,274.80 = 346,075,687.20/x
  3. Step 3: Cross multiply
    709,569,472.80x = 1,064,553,274.80 × 346,075,687.20
  4. Step 4: Simplify right side
    709,569,472.80x = 368,416,006,137,420,416
  5. Step 5: Solve for x
    x = 368,416,006,137,420,416/709,569,472.80
  6. Step 6: Final answer
    x = 519,210,620.33

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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.