Home / 1,319,180,656.98-1,820,462,690.64-716,345,895.15

Finding the Fourth Proportional to 1,319,180,656.98, 1,820,462,690.64 and 716,345,895.15

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Solution

The fourth proportional to 1,319,180,656.98, 1,820,462,690.64 and 716,345,895.15 is: 988,553,742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,180,656.98 : 1,820,462,690.64 = 716,345,895.15 : x
  2. Step 2: Convert to fraction form
    1,319,180,656.98/1,820,462,690.64 = 716,345,895.15/x
  3. Step 3: Cross multiply
    1,319,180,656.98x = 1,820,462,690.64 × 716,345,895.15
  4. Step 4: Simplify right side
    1,319,180,656.98x = 1,304,080,975,713,688,320
  5. Step 5: Solve for x
    x = 1,304,080,975,713,688,320/1,319,180,656.98
  6. Step 6: Final answer
    x = 988,553,742.67

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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.