Home / 1,152,605,842.69-1,590,596,595.08-623,969,828.76

Finding the Fourth Proportional to 1,152,605,842.69, 1,590,596,595.08 and 623,969,828.76

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Solution

The fourth proportional to 1,152,605,842.69, 1,590,596,595.08 and 623,969,828.76 is: 861,078,651.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,605,842.69 : 1,590,596,595.08 = 623,969,828.76 : x
  2. Step 2: Convert to fraction form
    1,152,605,842.69/1,590,596,595.08 = 623,969,828.76/x
  3. Step 3: Cross multiply
    1,152,605,842.69x = 1,590,596,595.08 × 623,969,828.76
  4. Step 4: Simplify right side
    1,152,605,842.69x = 992,484,285,058,306,560
  5. Step 5: Solve for x
    x = 992,484,285,058,306,560/1,152,605,842.69
  6. Step 6: Final answer
    x = 861,078,651.78

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Half scale
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Double scale
Find fourth proportional to 1,152,605,843.69, 1,590,596,596.46 and 623,969,829.76
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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.