Home / 590,213,145.60-885,319,718.40-386,369,971.20

Finding the Fourth Proportional to 590,213,145.60, 885,319,718.40 and 386,369,971.20

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Solution

The fourth proportional to 590,213,145.60, 885,319,718.40 and 386,369,971.20 is: 579,554,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,213,145.60 : 885,319,718.40 = 386,369,971.20 : x
  2. Step 2: Convert to fraction form
    590,213,145.60/885,319,718.40 = 386,369,971.20/x
  3. Step 3: Cross multiply
    590,213,145.60x = 885,319,718.40 × 386,369,971.20
  4. Step 4: Simplify right side
    590,213,145.60x = 342,060,954,101,000,064
  5. Step 5: Solve for x
    x = 342,060,954,101,000,064/590,213,145.60
  6. Step 6: Final answer
    x = 579,554,956.80

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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.