Home / 640,485,158.47-883,862,984.04-358,226,925.50

Finding the Fourth Proportional to 640,485,158.47, 883,862,984.04 and 358,226,925.50

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Solution

The fourth proportional to 640,485,158.47, 883,862,984.04 and 358,226,925.50 is: 494,349,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,485,158.47 : 883,862,984.04 = 358,226,925.50 : x
  2. Step 2: Convert to fraction form
    640,485,158.47/883,862,984.04 = 358,226,925.50/x
  3. Step 3: Cross multiply
    640,485,158.47x = 883,862,984.04 × 358,226,925.50
  4. Step 4: Simplify right side
    640,485,158.47x = 316,623,519,335,033,152
  5. Step 5: Solve for x
    x = 316,623,519,335,033,152/640,485,158.47
  6. Step 6: Final answer
    x = 494,349,502.32

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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.