Home / 460,988,643.83-636,169,263.15-252,140,320.67

Finding the Fourth Proportional to 460,988,643.83, 636,169,263.15 and 252,140,320.67

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Solution

The fourth proportional to 460,988,643.83, 636,169,263.15 and 252,140,320.67 is: 347,956,341.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,988,643.83 : 636,169,263.15 = 252,140,320.67 : x
  2. Step 2: Convert to fraction form
    460,988,643.83/636,169,263.15 = 252,140,320.67/x
  3. Step 3: Cross multiply
    460,988,643.83x = 636,169,263.15 × 252,140,320.67
  4. Step 4: Simplify right side
    460,988,643.83x = 160,403,922,011,038,592
  5. Step 5: Solve for x
    x = 160,403,922,011,038,592/460,988,643.83
  6. Step 6: Final answer
    x = 347,956,341.57

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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.