Home / 1,386,860,994.96-1,913,867,711.10-760,315,970.64

Finding the Fourth Proportional to 1,386,860,994.96, 1,913,867,711.10 and 760,315,970.64

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Solution

The fourth proportional to 1,386,860,994.96, 1,913,867,711.10 and 760,315,970.64 is: 1,049,235,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,860,994.96 : 1,913,867,711.10 = 760,315,970.64 : x
  2. Step 2: Convert to fraction form
    1,386,860,994.96/1,913,867,711.10 = 760,315,970.64/x
  3. Step 3: Cross multiply
    1,386,860,994.96x = 1,913,867,711.10 × 760,315,970.64
  4. Step 4: Simplify right side
    1,386,860,994.96x = 1,455,144,186,441,551,616
  5. Step 5: Solve for x
    x = 1,455,144,186,441,551,616/1,386,860,994.96
  6. Step 6: Final answer
    x = 1,049,235,786.23

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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.