Home / 1,247,011,038,104.10-1,720,875,162,291.80-676,728,078,296.10

Finding the Fourth Proportional to 1,247,011,038,104.10, 1,720,875,162,291.80 and 676,728,078,296.10

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Solution

The fourth proportional to 1,247,011,038,104.10, 1,720,875,162,291.80 and 676,728,078,296.10 is: 933,884,709,902.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,011,038,104.10 : 1,720,875,162,291.80 = 676,728,078,296.10 : x
  2. Step 2: Convert to fraction form
    1,247,011,038,104.10/1,720,875,162,291.80 = 676,728,078,296.10/x
  3. Step 3: Cross multiply
    1,247,011,038,104.10x = 1,720,875,162,291.80 × 676,728,078,296.10
  4. Step 4: Simplify right side
    1,247,011,038,104.10x = 1,164,564,541,565,219,050,094,592
  5. Step 5: Solve for x
    x = 1,164,564,541,565,219,050,094,592/1,247,011,038,104.10
  6. Step 6: Final answer
    x = 933,884,709,902.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.