Home / 982,111,294.06-1,355,111,266.10-564,342,866.78

Finding the Fourth Proportional to 982,111,294.06, 1,355,111,266.10 and 564,342,866.78

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Solution

The fourth proportional to 982,111,294.06, 1,355,111,266.10 and 564,342,866.78 is: 778,676,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,111,294.06 : 1,355,111,266.10 = 564,342,866.78 : x
  2. Step 2: Convert to fraction form
    982,111,294.06/1,355,111,266.10 = 564,342,866.78/x
  3. Step 3: Cross multiply
    982,111,294.06x = 1,355,111,266.10 × 564,342,866.78
  4. Step 4: Simplify right side
    982,111,294.06x = 764,747,376,716,749,312
  5. Step 5: Solve for x
    x = 764,747,376,716,749,312/982,111,294.06
  6. Step 6: Final answer
    x = 778,676,898.78

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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.