Home / 679,888,935.40-1,019,833,403.10-623,201,895.40

Finding the Fourth Proportional to 679,888,935.40, 1,019,833,403.10 and 623,201,895.40

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Solution

The fourth proportional to 679,888,935.40, 1,019,833,403.10 and 623,201,895.40 is: 934,802,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,888,935.40 : 1,019,833,403.10 = 623,201,895.40 : x
  2. Step 2: Convert to fraction form
    679,888,935.40/1,019,833,403.10 = 623,201,895.40/x
  3. Step 3: Cross multiply
    679,888,935.40x = 1,019,833,403.10 × 623,201,895.40
  4. Step 4: Simplify right side
    679,888,935.40x = 635,562,109,804,152,192
  5. Step 5: Solve for x
    x = 635,562,109,804,152,192/679,888,935.40
  6. Step 6: Final answer
    x = 934,802,843.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.