Home / 927,885,758.19-1,390,909,285.80-435,717,999.06

Finding the Fourth Proportional to 927,885,758.19, 1,390,909,285.80 and 435,717,999.06

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Solution

The fourth proportional to 927,885,758.19, 1,390,909,285.80 and 435,717,999.06 is: 653,145,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,885,758.19 : 1,390,909,285.80 = 435,717,999.06 : x
  2. Step 2: Convert to fraction form
    927,885,758.19/1,390,909,285.80 = 435,717,999.06/x
  3. Step 3: Cross multiply
    927,885,758.19x = 1,390,909,285.80 × 435,717,999.06
  4. Step 4: Simplify right side
    927,885,758.19x = 606,044,210,882,749,696
  5. Step 5: Solve for x
    x = 606,044,210,882,749,696/927,885,758.19
  6. Step 6: Final answer
    x = 653,145,288.13

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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.