Home / 697,803,964.08-962,975,796.12-384,549,402.48

Finding the Fourth Proportional to 697,803,964.08, 962,975,796.12 and 384,549,402.48

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Solution

The fourth proportional to 697,803,964.08, 962,975,796.12 and 384,549,402.48 is: 530,681,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,803,964.08 : 962,975,796.12 = 384,549,402.48 : x
  2. Step 2: Convert to fraction form
    697,803,964.08/962,975,796.12 = 384,549,402.48/x
  3. Step 3: Cross multiply
    697,803,964.08x = 962,975,796.12 × 384,549,402.48
  4. Step 4: Simplify right side
    697,803,964.08x = 370,311,767,000,648,320
  5. Step 5: Solve for x
    x = 370,311,767,000,648,320/697,803,964.08
  6. Step 6: Final answer
    x = 530,681,661.42

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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.