Home / 1,109,599,316.98-1,530,666,520.74-686,077,595.22

Finding the Fourth Proportional to 1,109,599,316.98, 1,530,666,520.74 and 686,077,595.22

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Solution

The fourth proportional to 1,109,599,316.98, 1,530,666,520.74 and 686,077,595.22 is: 946,428,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,599,316.98 : 1,530,666,520.74 = 686,077,595.22 : x
  2. Step 2: Convert to fraction form
    1,109,599,316.98/1,530,666,520.74 = 686,077,595.22/x
  3. Step 3: Cross multiply
    1,109,599,316.98x = 1,530,666,520.74 × 686,077,595.22
  4. Step 4: Simplify right side
    1,109,599,316.98x = 1,050,156,005,633,063,552
  5. Step 5: Solve for x
    x = 1,050,156,005,633,063,552/1,109,599,316.98
  6. Step 6: Final answer
    x = 946,428,129.11

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Double scale
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1.5x scale

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.