Home / 865,766,510.64-1,195,750,699.92-569,730,345.57

Finding the Fourth Proportional to 865,766,510.64, 1,195,750,699.92 and 569,730,345.57

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Solution

The fourth proportional to 865,766,510.64, 1,195,750,699.92 and 569,730,345.57 is: 786,881,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,766,510.64 : 1,195,750,699.92 = 569,730,345.57 : x
  2. Step 2: Convert to fraction form
    865,766,510.64/1,195,750,699.92 = 569,730,345.57/x
  3. Step 3: Cross multiply
    865,766,510.64x = 1,195,750,699.92 × 569,730,345.57
  4. Step 4: Simplify right side
    865,766,510.64x = 681,255,459,480,991,104
  5. Step 5: Solve for x
    x = 681,255,459,480,991,104/865,766,510.64
  6. Step 6: Final answer
    x = 786,881,279.32

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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.