Home / 779,371,503.76-1,075,279,614.06-531,422,390.80

Finding the Fourth Proportional to 779,371,503.76, 1,075,279,614.06 and 531,422,390.80

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Solution

The fourth proportional to 779,371,503.76, 1,075,279,614.06 and 531,422,390.80 is: 733,190,347.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,371,503.76 : 1,075,279,614.06 = 531,422,390.80 : x
  2. Step 2: Convert to fraction form
    779,371,503.76/1,075,279,614.06 = 531,422,390.80/x
  3. Step 3: Cross multiply
    779,371,503.76x = 1,075,279,614.06 × 531,422,390.80
  4. Step 4: Simplify right side
    779,371,503.76x = 571,427,663,282,266,496
  5. Step 5: Solve for x
    x = 571,427,663,282,266,496/779,371,503.76
  6. Step 6: Final answer
    x = 733,190,347.00

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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.