Home / 1,007,102,594.76-1,389,844,472.76-561,065,705.52

Finding the Fourth Proportional to 1,007,102,594.76, 1,389,844,472.76 and 561,065,705.52

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Solution

The fourth proportional to 1,007,102,594.76, 1,389,844,472.76 and 561,065,705.52 is: 774,294,569.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,102,594.76 : 1,389,844,472.76 = 561,065,705.52 : x
  2. Step 2: Convert to fraction form
    1,007,102,594.76/1,389,844,472.76 = 561,065,705.52/x
  3. Step 3: Cross multiply
    1,007,102,594.76x = 1,389,844,472.76 × 561,065,705.52
  4. Step 4: Simplify right side
    1,007,102,594.76x = 779,794,069,672,161,792
  5. Step 5: Solve for x
    x = 779,794,069,672,161,792/1,007,102,594.76
  6. Step 6: Final answer
    x = 774,294,569.12

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Half scale
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Double scale
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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.