Home / 917,101,456.80-1,265,566,763.49-560,465,885.10

Finding the Fourth Proportional to 917,101,456.80, 1,265,566,763.49 and 560,465,885.10

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Solution

The fourth proportional to 917,101,456.80, 1,265,566,763.49 and 560,465,885.10 is: 773,422,603.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,101,456.80 : 1,265,566,763.49 = 560,465,885.10 : x
  2. Step 2: Convert to fraction form
    917,101,456.80/1,265,566,763.49 = 560,465,885.10/x
  3. Step 3: Cross multiply
    917,101,456.80x = 1,265,566,763.49 × 560,465,885.10
  4. Step 4: Simplify right side
    917,101,456.80x = 709,306,996,252,565,248
  5. Step 5: Solve for x
    x = 709,306,996,252,565,248/917,101,456.80
  6. Step 6: Final answer
    x = 773,422,603.35

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1.5x scale

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.