Home / 727,724,281.40-1,091,586,422.10-340,303,792.40

Finding the Fourth Proportional to 727,724,281.40, 1,091,586,422.10 and 340,303,792.40

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Solution

The fourth proportional to 727,724,281.40, 1,091,586,422.10 and 340,303,792.40 is: 510,455,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,724,281.40 : 1,091,586,422.10 = 340,303,792.40 : x
  2. Step 2: Convert to fraction form
    727,724,281.40/1,091,586,422.10 = 340,303,792.40/x
  3. Step 3: Cross multiply
    727,724,281.40x = 1,091,586,422.10 × 340,303,792.40
  4. Step 4: Simplify right side
    727,724,281.40x = 371,470,999,172,977,088
  5. Step 5: Solve for x
    x = 371,470,999,172,977,088/727,724,281.40
  6. Step 6: Final answer
    x = 510,455,688.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.