Home / 843,911,988.18-1,164,598,543.71-472,634,019.56

Finding the Fourth Proportional to 843,911,988.18, 1,164,598,543.71 and 472,634,019.56

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Solution

The fourth proportional to 843,911,988.18, 1,164,598,543.71 and 472,634,019.56 is: 652,234,947.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,911,988.18 : 1,164,598,543.71 = 472,634,019.56 : x
  2. Step 2: Convert to fraction form
    843,911,988.18/1,164,598,543.71 = 472,634,019.56/x
  3. Step 3: Cross multiply
    843,911,988.18x = 1,164,598,543.71 × 472,634,019.56
  4. Step 4: Simplify right side
    843,911,988.18x = 550,428,890,881,556,672
  5. Step 5: Solve for x
    x = 550,428,890,881,556,672/843,911,988.18
  6. Step 6: Final answer
    x = 652,234,947.00

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1.5x scale

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.