Home / 1,121,929,826.16-1,683,075,574.98-345,575,125.83

Finding the Fourth Proportional to 1,121,929,826.16, 1,683,075,574.98 and 345,575,125.83

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Solution

The fourth proportional to 1,121,929,826.16, 1,683,075,574.98 and 345,575,125.83 is: 518,418,389.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,929,826.16 : 1,683,075,574.98 = 345,575,125.83 : x
  2. Step 2: Convert to fraction form
    1,121,929,826.16/1,683,075,574.98 = 345,575,125.83/x
  3. Step 3: Cross multiply
    1,121,929,826.16x = 1,683,075,574.98 × 345,575,125.83
  4. Step 4: Simplify right side
    1,121,929,826.16x = 581,629,053,605,113,088
  5. Step 5: Solve for x
    x = 581,629,053,605,113,088/1,121,929,826.16
  6. Step 6: Final answer
    x = 518,418,389.50

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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.