Home / 779,123,232.68-1,075,190,438.04-426,721,386.20

Finding the Fourth Proportional to 779,123,232.68, 1,075,190,438.04 and 426,721,386.20

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Solution

The fourth proportional to 779,123,232.68, 1,075,190,438.04 and 426,721,386.20 is: 588,875,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,123,232.68 : 1,075,190,438.04 = 426,721,386.20 : x
  2. Step 2: Convert to fraction form
    779,123,232.68/1,075,190,438.04 = 426,721,386.20/x
  3. Step 3: Cross multiply
    779,123,232.68x = 1,075,190,438.04 × 426,721,386.20
  4. Step 4: Simplify right side
    779,123,232.68x = 458,806,754,149,413,952
  5. Step 5: Solve for x
    x = 458,806,754,149,413,952/779,123,232.68
  6. Step 6: Final answer
    x = 588,875,719.40

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Double scale
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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.