Home / 31,812,071,336.64-47,718,081,802.08-8,547,710,120.64

Finding the Fourth Proportional to 31,812,071,336.64, 47,718,081,802.08 and 8,547,710,120.64

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Solution

The fourth proportional to 31,812,071,336.64, 47,718,081,802.08 and 8,547,710,120.64 is: 12,821,558,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,812,071,336.64 : 47,718,081,802.08 = 8,547,710,120.64 : x
  2. Step 2: Convert to fraction form
    31,812,071,336.64/47,718,081,802.08 = 8,547,710,120.64/x
  3. Step 3: Cross multiply
    31,812,071,336.64x = 47,718,081,802.08 × 8,547,710,120.64
  4. Step 4: Simplify right side
    31,812,071,336.64x = 407,880,330,757,166,661,632
  5. Step 5: Solve for x
    x = 407,880,330,757,166,661,632/31,812,071,336.64
  6. Step 6: Final answer
    x = 12,821,558,409.10

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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.