Home / 519,117,547.27-716,336,820.61-307,386,393.61

Finding the Fourth Proportional to 519,117,547.27, 716,336,820.61 and 307,386,393.61

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Solution

The fourth proportional to 519,117,547.27, 716,336,820.61 and 307,386,393.61 is: 424,166,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,117,547.27 : 716,336,820.61 = 307,386,393.61 : x
  2. Step 2: Convert to fraction form
    519,117,547.27/716,336,820.61 = 307,386,393.61/x
  3. Step 3: Cross multiply
    519,117,547.27x = 716,336,820.61 × 307,386,393.61
  4. Step 4: Simplify right side
    519,117,547.27x = 220,192,191,897,361,440
  5. Step 5: Solve for x
    x = 220,192,191,897,361,440/519,117,547.27
  6. Step 6: Final answer
    x = 424,166,343.55

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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.