Home / 18,152,111,343.51-25,049,913,702.26-9,807,779,055.51

Finding the Fourth Proportional to 18,152,111,343.51, 25,049,913,702.26 and 9,807,779,055.51

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Solution

The fourth proportional to 18,152,111,343.51, 25,049,913,702.26 and 9,807,779,055.51 is: 13,534,735,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152,111,343.51 : 25,049,913,702.26 = 9,807,779,055.51 : x
  2. Step 2: Convert to fraction form
    18,152,111,343.51/25,049,913,702.26 = 9,807,779,055.51/x
  3. Step 3: Cross multiply
    18,152,111,343.51x = 25,049,913,702.26 × 9,807,779,055.51
  4. Step 4: Simplify right side
    18,152,111,343.51x = 245,684,018,951,319,355,392
  5. Step 5: Solve for x
    x = 245,684,018,951,319,355,392/18,152,111,343.51
  6. Step 6: Final answer
    x = 13,534,735,122.65

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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.