Home / 609,205,980.08-841,492,864.72-503,785,218.80

Finding the Fourth Proportional to 609,205,980.08, 841,492,864.72 and 503,785,218.80

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Solution

The fourth proportional to 609,205,980.08, 841,492,864.72 and 503,785,218.80 is: 695,875,747.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,205,980.08 : 841,492,864.72 = 503,785,218.80 : x
  2. Step 2: Convert to fraction form
    609,205,980.08/841,492,864.72 = 503,785,218.80/x
  3. Step 3: Cross multiply
    609,205,980.08x = 841,492,864.72 × 503,785,218.80
  4. Step 4: Simplify right side
    609,205,980.08x = 423,931,666,971,604,032
  5. Step 5: Solve for x
    x = 423,931,666,971,604,032/609,205,980.08
  6. Step 6: Final answer
    x = 695,875,747.83

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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.