Home / 710,823,927.20-1,066,235,890.80-620,124,663.20

Finding the Fourth Proportional to 710,823,927.20, 1,066,235,890.80 and 620,124,663.20

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Solution

The fourth proportional to 710,823,927.20, 1,066,235,890.80 and 620,124,663.20 is: 930,186,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,823,927.20 : 1,066,235,890.80 = 620,124,663.20 : x
  2. Step 2: Convert to fraction form
    710,823,927.20/1,066,235,890.80 = 620,124,663.20/x
  3. Step 3: Cross multiply
    710,823,927.20x = 1,066,235,890.80 × 620,124,663.20
  4. Step 4: Simplify right side
    710,823,927.20x = 661,199,172,674,102,016
  5. Step 5: Solve for x
    x = 661,199,172,674,102,016/710,823,927.20
  6. Step 6: Final answer
    x = 930,186,994.80

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1.5x scale

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.