Home / 1,038,006,466.40-1,557,009,699.60-310,995,178.40

Finding the Fourth Proportional to 1,038,006,466.40, 1,557,009,699.60 and 310,995,178.40

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Solution

The fourth proportional to 1,038,006,466.40, 1,557,009,699.60 and 310,995,178.40 is: 466,492,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,006,466.40 : 1,557,009,699.60 = 310,995,178.40 : x
  2. Step 2: Convert to fraction form
    1,038,006,466.40/1,557,009,699.60 = 310,995,178.40/x
  3. Step 3: Cross multiply
    1,038,006,466.40x = 1,557,009,699.60 × 310,995,178.40
  4. Step 4: Simplify right side
    1,038,006,466.40x = 484,222,509,297,632,320
  5. Step 5: Solve for x
    x = 484,222,509,297,632,320/1,038,006,466.40
  6. Step 6: Final answer
    x = 466,492,767.60

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Double scale
Find fourth proportional to 1,038,006,467.40, 1,557,009,701.10 and 310,995,179.40
Similar ratio
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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.