Home / 641,698,384,011.40-962,547,576,017.10-344,159,448,459.40

Finding the Fourth Proportional to 641,698,384,011.40, 962,547,576,017.10 and 344,159,448,459.40

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Solution

The fourth proportional to 641,698,384,011.40, 962,547,576,017.10 and 344,159,448,459.40 is: 516,239,172,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,698,384,011.40 : 962,547,576,017.10 = 344,159,448,459.40 : x
  2. Step 2: Convert to fraction form
    641,698,384,011.40/962,547,576,017.10 = 344,159,448,459.40/x
  3. Step 3: Cross multiply
    641,698,384,011.40x = 962,547,576,017.10 × 344,159,448,459.40
  4. Step 4: Simplify right side
    641,698,384,011.40x = 331,269,842,877,977,519,456,256
  5. Step 5: Solve for x
    x = 331,269,842,877,977,519,456,256/641,698,384,011.40
  6. Step 6: Final answer
    x = 516,239,172,689.10

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Double scale
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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.