Home / 1,105,156,239.32-1,525,804,022.20-703,496,702.12

Finding the Fourth Proportional to 1,105,156,239.32, 1,525,804,022.20 and 703,496,702.12

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Solution

The fourth proportional to 1,105,156,239.32, 1,525,804,022.20 and 703,496,702.12 is: 971,263,663.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,156,239.32 : 1,525,804,022.20 = 703,496,702.12 : x
  2. Step 2: Convert to fraction form
    1,105,156,239.32/1,525,804,022.20 = 703,496,702.12/x
  3. Step 3: Cross multiply
    1,105,156,239.32x = 1,525,804,022.20 × 703,496,702.12
  4. Step 4: Simplify right side
    1,105,156,239.32x = 1,073,398,097,699,131,264
  5. Step 5: Solve for x
    x = 1,073,398,097,699,131,264/1,105,156,239.32
  6. Step 6: Final answer
    x = 971,263,663.46

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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.