Home / 540,349,089.79-745,682,381.45-292,830,444.04

Finding the Fourth Proportional to 540,349,089.79, 745,682,381.45 and 292,830,444.04

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Solution

The fourth proportional to 540,349,089.79, 745,682,381.45 and 292,830,444.04 is: 404,106,358.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,349,089.79 : 745,682,381.45 = 292,830,444.04 : x
  2. Step 2: Convert to fraction form
    540,349,089.79/745,682,381.45 = 292,830,444.04/x
  3. Step 3: Cross multiply
    540,349,089.79x = 745,682,381.45 × 292,830,444.04
  4. Step 4: Simplify right side
    540,349,089.79x = 218,358,502,872,808,192
  5. Step 5: Solve for x
    x = 218,358,502,872,808,192/540,349,089.79
  6. Step 6: Final answer
    x = 404,106,358.28

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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.