Home / 897,513,178.12-1,346,696,122.02-621,589,010.92

Finding the Fourth Proportional to 897,513,178.12, 1,346,696,122.02 and 621,589,010.92

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Solution

The fourth proportional to 897,513,178.12, 1,346,696,122.02 and 621,589,010.92 is: 932,678,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,513,178.12 : 1,346,696,122.02 = 621,589,010.92 : x
  2. Step 2: Convert to fraction form
    897,513,178.12/1,346,696,122.02 = 621,589,010.92/x
  3. Step 3: Cross multiply
    897,513,178.12x = 1,346,696,122.02 × 621,589,010.92
  4. Step 4: Simplify right side
    897,513,178.12x = 837,091,510,496,211,328
  5. Step 5: Solve for x
    x = 837,091,510,496,211,328/897,513,178.12
  6. Step 6: Final answer
    x = 932,678,796.15

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Double scale
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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.