Home / 1,090,849,302.12-1,505,376,634.14-614,545,385.74

Finding the Fourth Proportional to 1,090,849,302.12, 1,505,376,634.14 and 614,545,385.74

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Solution

The fourth proportional to 1,090,849,302.12, 1,505,376,634.14 and 614,545,385.74 is: 848,075,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,849,302.12 : 1,505,376,634.14 = 614,545,385.74 : x
  2. Step 2: Convert to fraction form
    1,090,849,302.12/1,505,376,634.14 = 614,545,385.74/x
  3. Step 3: Cross multiply
    1,090,849,302.12x = 1,505,376,634.14 × 614,545,385.74
  4. Step 4: Simplify right side
    1,090,849,302.12x = 925,122,264,311,549,184
  5. Step 5: Solve for x
    x = 925,122,264,311,549,184/1,090,849,302.12
  6. Step 6: Final answer
    x = 848,075,222.23

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Double scale
Find fourth proportional to 1,090,849,303.12, 1,505,376,635.52 and 614,545,386.74
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.