Home / 1,565,567,420.32-2,160,484,422.96-860,731,392.16

Finding the Fourth Proportional to 1,565,567,420.32, 2,160,484,422.96 and 860,731,392.16

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Solution

The fourth proportional to 1,565,567,420.32, 2,160,484,422.96 and 860,731,392.16 is: 1,187,810,081.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,567,420.32 : 2,160,484,422.96 = 860,731,392.16 : x
  2. Step 2: Convert to fraction form
    1,565,567,420.32/2,160,484,422.96 = 860,731,392.16/x
  3. Step 3: Cross multiply
    1,565,567,420.32x = 2,160,484,422.96 × 860,731,392.16
  4. Step 4: Simplify right side
    1,565,567,420.32x = 1,859,596,765,114,354,944
  5. Step 5: Solve for x
    x = 1,859,596,765,114,354,944/1,565,567,420.32
  6. Step 6: Final answer
    x = 1,187,810,081.49

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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.