Home / 783,539,291.16-1,174,017,526.47-455,092,809.93

Finding the Fourth Proportional to 783,539,291.16, 1,174,017,526.47 and 455,092,809.93

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Solution

The fourth proportional to 783,539,291.16, 1,174,017,526.47 and 455,092,809.93 is: 681,889,142.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,539,291.16 : 1,174,017,526.47 = 455,092,809.93 : x
  2. Step 2: Convert to fraction form
    783,539,291.16/1,174,017,526.47 = 455,092,809.93/x
  3. Step 3: Cross multiply
    783,539,291.16x = 1,174,017,526.47 × 455,092,809.93
  4. Step 4: Simplify right side
    783,539,291.16x = 534,286,935,028,300,480
  5. Step 5: Solve for x
    x = 534,286,935,028,300,480/783,539,291.16
  6. Step 6: Final answer
    x = 681,889,142.07

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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.