Home / 13,280,088,514.62-18,326,477,657.40-7,258,590,430.77

Finding the Fourth Proportional to 13,280,088,514.62, 18,326,477,657.40 and 7,258,590,430.77

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Solution

The fourth proportional to 13,280,088,514.62, 18,326,477,657.40 and 7,258,590,430.77 is: 10,016,830,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,088,514.62 : 18,326,477,657.40 = 7,258,590,430.77 : x
  2. Step 2: Convert to fraction form
    13,280,088,514.62/18,326,477,657.40 = 7,258,590,430.77/x
  3. Step 3: Cross multiply
    13,280,088,514.62x = 18,326,477,657.40 × 7,258,590,430.77
  4. Step 4: Simplify right side
    13,280,088,514.62x = 133,024,395,353,723,863,040
  5. Step 5: Solve for x
    x = 133,024,395,353,723,863,040/13,280,088,514.62
  6. Step 6: Final answer
    x = 10,016,830,475.74

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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.