Home / 882,501,138.17-1,217,983,970.81-670,459,038.47

Finding the Fourth Proportional to 882,501,138.17, 1,217,983,970.81 and 670,459,038.47

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Solution

The fourth proportional to 882,501,138.17, 1,217,983,970.81 and 670,459,038.47 is: 925,334,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,501,138.17 : 1,217,983,970.81 = 670,459,038.47 : x
  2. Step 2: Convert to fraction form
    882,501,138.17/1,217,983,970.81 = 670,459,038.47/x
  3. Step 3: Cross multiply
    882,501,138.17x = 1,217,983,970.81 × 670,459,038.47
  4. Step 4: Simplify right side
    882,501,138.17x = 816,608,361,941,145,088
  5. Step 5: Solve for x
    x = 816,608,361,941,145,088/882,501,138.17
  6. Step 6: Final answer
    x = 925,334,060.91

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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.