Home / 937,298,612.40-1,405,947,918.60-785,377,345.20

Finding the Fourth Proportional to 937,298,612.40, 1,405,947,918.60 and 785,377,345.20

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Solution

The fourth proportional to 937,298,612.40, 1,405,947,918.60 and 785,377,345.20 is: 1,178,066,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,298,612.40 : 1,405,947,918.60 = 785,377,345.20 : x
  2. Step 2: Convert to fraction form
    937,298,612.40/1,405,947,918.60 = 785,377,345.20/x
  3. Step 3: Cross multiply
    937,298,612.40x = 1,405,947,918.60 × 785,377,345.20
  4. Step 4: Simplify right side
    937,298,612.40x = 1,104,199,643,799,533,696
  5. Step 5: Solve for x
    x = 1,104,199,643,799,533,696/937,298,612.40
  6. Step 6: Final answer
    x = 1,178,066,017.80

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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.