Home / 1,205,964,376.60-1,808,946,564.90-478,953,088.60

Finding the Fourth Proportional to 1,205,964,376.60, 1,808,946,564.90 and 478,953,088.60

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Solution

The fourth proportional to 1,205,964,376.60, 1,808,946,564.90 and 478,953,088.60 is: 718,429,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,964,376.60 : 1,808,946,564.90 = 478,953,088.60 : x
  2. Step 2: Convert to fraction form
    1,205,964,376.60/1,808,946,564.90 = 478,953,088.60/x
  3. Step 3: Cross multiply
    1,205,964,376.60x = 1,808,946,564.90 × 478,953,088.60
  4. Step 4: Simplify right side
    1,205,964,376.60x = 866,400,544,371,215,488
  5. Step 5: Solve for x
    x = 866,400,544,371,215,488/1,205,964,376.60
  6. Step 6: Final answer
    x = 718,429,632.90

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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.