Home / 654,587,307.53-903,349,617.54-357,248,632.74

Finding the Fourth Proportional to 654,587,307.53, 903,349,617.54 and 357,248,632.74

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Solution

The fourth proportional to 654,587,307.53, 903,349,617.54 and 357,248,632.74 is: 493,013,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,587,307.53 : 903,349,617.54 = 357,248,632.74 : x
  2. Step 2: Convert to fraction form
    654,587,307.53/903,349,617.54 = 357,248,632.74/x
  3. Step 3: Cross multiply
    654,587,307.53x = 903,349,617.54 × 357,248,632.74
  4. Step 4: Simplify right side
    654,587,307.53x = 322,720,415,752,366,912
  5. Step 5: Solve for x
    x = 322,720,415,752,366,912/654,587,307.53
  6. Step 6: Final answer
    x = 493,013,555.32

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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.