Home / 1,440,144,259.65-2,160,216,389.48-1,417,186,008.45

Finding the Fourth Proportional to 1,440,144,259.65, 2,160,216,389.48 and 1,417,186,008.45

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Solution

The fourth proportional to 1,440,144,259.65, 2,160,216,389.48 and 1,417,186,008.45 is: 2,125,779,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,144,259.65 : 2,160,216,389.48 = 1,417,186,008.45 : x
  2. Step 2: Convert to fraction form
    1,440,144,259.65/2,160,216,389.48 = 1,417,186,008.45/x
  3. Step 3: Cross multiply
    1,440,144,259.65x = 2,160,216,389.48 × 1,417,186,008.45
  4. Step 4: Simplify right side
    1,440,144,259.65x = 3,061,428,442,388,345,856
  5. Step 5: Solve for x
    x = 3,061,428,442,388,345,856/1,440,144,259.65
  6. Step 6: Final answer
    x = 2,125,779,012.68

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Double scale
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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.