Home / 5,186,643,420-7,157,566,403.40-2,807,779,592.40

Finding the Fourth Proportional to 5,186,643,420, 7,157,566,403.40 and 2,807,779,592.40

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Solution

The fourth proportional to 5,186,643,420, 7,157,566,403.40 and 2,807,779,592.40 is: 3,874,735,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,643,420 : 7,157,566,403.40 = 2,807,779,592.40 : x
  2. Step 2: Convert to fraction form
    5,186,643,420/7,157,566,403.40 = 2,807,779,592.40/x
  3. Step 3: Cross multiply
    5,186,643,420x = 7,157,566,403.40 × 2,807,779,592.40
  4. Step 4: Simplify right side
    5,186,643,420x = 20,096,868,878,714,384,384
  5. Step 5: Solve for x
    x = 20,096,868,878,714,384,384/5,186,643,420
  6. Step 6: Final answer
    x = 3,874,735,016.72

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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.