Home / 1,099,319,872.40-1,648,979,808.60-927,132,988.40

Finding the Fourth Proportional to 1,099,319,872.40, 1,648,979,808.60 and 927,132,988.40

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Solution

The fourth proportional to 1,099,319,872.40, 1,648,979,808.60 and 927,132,988.40 is: 1,390,699,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,319,872.40 : 1,648,979,808.60 = 927,132,988.40 : x
  2. Step 2: Convert to fraction form
    1,099,319,872.40/1,648,979,808.60 = 927,132,988.40/x
  3. Step 3: Cross multiply
    1,099,319,872.40x = 1,648,979,808.60 × 927,132,988.40
  4. Step 4: Simplify right side
    1,099,319,872.40x = 1,528,823,577,758,577,920
  5. Step 5: Solve for x
    x = 1,528,823,577,758,577,920/1,099,319,872.40
  6. Step 6: Final answer
    x = 1,390,699,482.60

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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.