Home / 917,331,211.10-1,287,891,666.10-917,331,211.10

Finding the Fourth Proportional to 917,331,211.10, 1,287,891,666.10 and 917,331,211.10

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Solution

The fourth proportional to 917,331,211.10, 1,287,891,666.10 and 917,331,211.10 is: 1,287,891,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,331,211.10 : 1,287,891,666.10 = 917,331,211.10 : x
  2. Step 2: Convert to fraction form
    917,331,211.10/1,287,891,666.10 = 917,331,211.10/x
  3. Step 3: Cross multiply
    917,331,211.10x = 1,287,891,666.10 × 917,331,211.10
  4. Step 4: Simplify right side
    917,331,211.10x = 1,181,423,221,829,109,760
  5. Step 5: Solve for x
    x = 1,181,423,221,829,109,760/917,331,211.10
  6. Step 6: Final answer
    x = 1,287,891,666.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.