Home / 472,393,964.60-708,590,946.90-434,980,518.20

Finding the Fourth Proportional to 472,393,964.60, 708,590,946.90 and 434,980,518.20

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Solution

The fourth proportional to 472,393,964.60, 708,590,946.90 and 434,980,518.20 is: 652,470,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,964.60 : 708,590,946.90 = 434,980,518.20 : x
  2. Step 2: Convert to fraction form
    472,393,964.60/708,590,946.90 = 434,980,518.20/x
  3. Step 3: Cross multiply
    472,393,964.60x = 708,590,946.90 × 434,980,518.20
  4. Step 4: Simplify right side
    472,393,964.60x = 308,223,257,274,390,656
  5. Step 5: Solve for x
    x = 308,223,257,274,390,656/472,393,964.60
  6. Step 6: Final answer
    x = 652,470,777.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.