Home / 1,256,307,215.60-1,884,460,823.40-705,309,186.80

Finding the Fourth Proportional to 1,256,307,215.60, 1,884,460,823.40 and 705,309,186.80

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Solution

The fourth proportional to 1,256,307,215.60, 1,884,460,823.40 and 705,309,186.80 is: 1,057,963,780.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,307,215.60 : 1,884,460,823.40 = 705,309,186.80 : x
  2. Step 2: Convert to fraction form
    1,256,307,215.60/1,884,460,823.40 = 705,309,186.80/x
  3. Step 3: Cross multiply
    1,256,307,215.60x = 1,884,460,823.40 × 705,309,186.80
  4. Step 4: Simplify right side
    1,256,307,215.60x = 1,329,127,530,908,712,448
  5. Step 5: Solve for x
    x = 1,329,127,530,908,712,448/1,256,307,215.60
  6. Step 6: Final answer
    x = 1,057,963,780.20

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Double scale
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1.5x scale

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.