Home / 1,308,897,506.48-1,963,201,225.80-468,506,686.64

Finding the Fourth Proportional to 1,308,897,506.48, 1,963,201,225.80 and 468,506,686.64

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Solution

The fourth proportional to 1,308,897,506.48, 1,963,201,225.80 and 468,506,686.64 is: 702,708,116.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,897,506.48 : 1,963,201,225.80 = 468,506,686.64 : x
  2. Step 2: Convert to fraction form
    1,308,897,506.48/1,963,201,225.80 = 468,506,686.64/x
  3. Step 3: Cross multiply
    1,308,897,506.48x = 1,963,201,225.80 × 468,506,686.64
  4. Step 4: Simplify right side
    1,308,897,506.48x = 919,772,901,507,144,448
  5. Step 5: Solve for x
    x = 919,772,901,507,144,448/1,308,897,506.48
  6. Step 6: Final answer
    x = 702,708,116.53

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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.