Home / 472,393,946.10-708,590,919.15-434,980,499.70

Finding the Fourth Proportional to 472,393,946.10, 708,590,919.15 and 434,980,499.70

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Solution

The fourth proportional to 472,393,946.10, 708,590,919.15 and 434,980,499.70 is: 652,470,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,946.10 : 708,590,919.15 = 434,980,499.70 : x
  2. Step 2: Convert to fraction form
    472,393,946.10/708,590,919.15 = 434,980,499.70/x
  3. Step 3: Cross multiply
    472,393,946.10x = 708,590,919.15 × 434,980,499.70
  4. Step 4: Simplify right side
    472,393,946.10x = 308,223,232,094,749,312
  5. Step 5: Solve for x
    x = 308,223,232,094,749,312/472,393,946.10
  6. Step 6: Final answer
    x = 652,470,749.55

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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.