Home / 1,038,006,500.40-1,557,009,750.60-310,995,212.40

Finding the Fourth Proportional to 1,038,006,500.40, 1,557,009,750.60 and 310,995,212.40

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Solution

The fourth proportional to 1,038,006,500.40, 1,557,009,750.60 and 310,995,212.40 is: 466,492,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,006,500.40 : 1,557,009,750.60 = 310,995,212.40 : x
  2. Step 2: Convert to fraction form
    1,038,006,500.40/1,557,009,750.60 = 310,995,212.40/x
  3. Step 3: Cross multiply
    1,038,006,500.40x = 1,557,009,750.60 × 310,995,212.40
  4. Step 4: Simplify right side
    1,038,006,500.40x = 484,222,578,096,717,952
  5. Step 5: Solve for x
    x = 484,222,578,096,717,952/1,038,006,500.40
  6. Step 6: Final answer
    x = 466,492,818.60

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Similar ratio
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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.