Home / 536,868,250.95-740,866,574-310,816,767.36

Finding the Fourth Proportional to 536,868,250.95, 740,866,574 and 310,816,767.36

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Solution

The fourth proportional to 536,868,250.95, 740,866,574 and 310,816,767.36 is: 428,920,416.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,868,250.95 : 740,866,574 = 310,816,767.36 : x
  2. Step 2: Convert to fraction form
    536,868,250.95/740,866,574 = 310,816,767.36/x
  3. Step 3: Cross multiply
    536,868,250.95x = 740,866,574 × 310,816,767.36
  4. Step 4: Simplify right side
    536,868,250.95x = 230,273,753,575,758,240
  5. Step 5: Solve for x
    x = 230,273,753,575,758,240/536,868,250.95
  6. Step 6: Final answer
    x = 428,920,416.08

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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.