Home / 1,758,341,141.40-2,426,515,549.79-965,438,477.76

Finding the Fourth Proportional to 1,758,341,141.40, 2,426,515,549.79 and 965,438,477.76

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Solution

The fourth proportional to 1,758,341,141.40, 2,426,515,549.79 and 965,438,477.76 is: 1,332,307,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,341,141.40 : 2,426,515,549.79 = 965,438,477.76 : x
  2. Step 2: Convert to fraction form
    1,758,341,141.40/2,426,515,549.79 = 965,438,477.76/x
  3. Step 3: Cross multiply
    1,758,341,141.40x = 2,426,515,549.79 × 965,438,477.76
  4. Step 4: Simplify right side
    1,758,341,141.40x = 2,342,651,478,645,399,552
  5. Step 5: Solve for x
    x = 2,342,651,478,645,399,552/1,758,341,141.40
  6. Step 6: Final answer
    x = 1,332,307,720.89

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Double scale
Find fourth proportional to 1,758,341,142.40, 2,426,515,551.17 and 965,438,478.76
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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.