Home / 1,042,922,018,954.70-1,564,561,253,368.90-429,966,506,383.30

Finding the Fourth Proportional to 1,042,922,018,954.70, 1,564,561,253,368.90 and 429,966,506,383.30

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Solution

The fourth proportional to 1,042,922,018,954.70, 1,564,561,253,368.90 and 429,966,506,383.30 is: 645,023,236,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,922,018,954.70 : 1,564,561,253,368.90 = 429,966,506,383.30 : x
  2. Step 2: Convert to fraction form
    1,042,922,018,954.70/1,564,561,253,368.90 = 429,966,506,383.30/x
  3. Step 3: Cross multiply
    1,042,922,018,954.70x = 1,564,561,253,368.90 × 429,966,506,383.30
  4. Step 4: Simplify right side
    1,042,922,018,954.70x = 672,708,936,133,702,963,953,664
  5. Step 5: Solve for x
    x = 672,708,936,133,702,963,953,664/1,042,922,018,954.70
  6. Step 6: Final answer
    x = 645,023,236,548.35

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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.