Home / 948,500,934.92-1,308,903,177.10-525,133,466.92

Finding the Fourth Proportional to 948,500,934.92, 1,308,903,177.10 and 525,133,466.92

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Solution

The fourth proportional to 948,500,934.92, 1,308,903,177.10 and 525,133,466.92 is: 724,668,619.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,500,934.92 : 1,308,903,177.10 = 525,133,466.92 : x
  2. Step 2: Convert to fraction form
    948,500,934.92/1,308,903,177.10 = 525,133,466.92/x
  3. Step 3: Cross multiply
    948,500,934.92x = 1,308,903,177.10 × 525,133,466.92
  4. Step 4: Simplify right side
    948,500,934.92x = 687,348,863,253,125,760
  5. Step 5: Solve for x
    x = 687,348,863,253,125,760/948,500,934.92
  6. Step 6: Final answer
    x = 724,668,619.66

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Double scale
Find fourth proportional to 948,500,935.92, 1,308,903,178.48 and 525,133,467.92
Similar ratio
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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.