Home / 1,039,918,809.80-1,432,676,060.16-726,156,043.40

Finding the Fourth Proportional to 1,039,918,809.80, 1,432,676,060.16 and 726,156,043.40

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Solution

The fourth proportional to 1,039,918,809.80, 1,432,676,060.16 and 726,156,043.40 is: 1,000,411,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,918,809.80 : 1,432,676,060.16 = 726,156,043.40 : x
  2. Step 2: Convert to fraction form
    1,039,918,809.80/1,432,676,060.16 = 726,156,043.40/x
  3. Step 3: Cross multiply
    1,039,918,809.80x = 1,432,676,060.16 × 726,156,043.40
  4. Step 4: Simplify right side
    1,039,918,809.80x = 1,040,346,379,319,686,016
  5. Step 5: Solve for x
    x = 1,040,346,379,319,686,016/1,039,918,809.80
  6. Step 6: Final answer
    x = 1,000,411,156.64

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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.