Home / 992,575,415.40-1,488,863,123.10-508,846,007.40

Finding the Fourth Proportional to 992,575,415.40, 1,488,863,123.10 and 508,846,007.40

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Solution

The fourth proportional to 992,575,415.40, 1,488,863,123.10 and 508,846,007.40 is: 763,269,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,575,415.40 : 1,488,863,123.10 = 508,846,007.40 : x
  2. Step 2: Convert to fraction form
    992,575,415.40/1,488,863,123.10 = 508,846,007.40/x
  3. Step 3: Cross multiply
    992,575,415.40x = 1,488,863,123.10 × 508,846,007.40
  4. Step 4: Simplify right side
    992,575,415.40x = 757,602,055,754,529,664
  5. Step 5: Solve for x
    x = 757,602,055,754,529,664/992,575,415.40
  6. Step 6: Final answer
    x = 763,269,011.10

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Double scale
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Similar ratio
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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.