Home / 716,626,967.25-1,075,001,459.63-218,749,312.01

Finding the Fourth Proportional to 716,626,967.25, 1,075,001,459.63 and 218,749,312.01

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Solution

The fourth proportional to 716,626,967.25, 1,075,001,459.63 and 218,749,312.01 is: 328,142,590.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,626,967.25 : 1,075,001,459.63 = 218,749,312.01 : x
  2. Step 2: Convert to fraction form
    716,626,967.25/1,075,001,459.63 = 218,749,312.01/x
  3. Step 3: Cross multiply
    716,626,967.25x = 1,075,001,459.63 × 218,749,312.01
  4. Step 4: Simplify right side
    716,626,967.25x = 235,155,829,700,607,424
  5. Step 5: Solve for x
    x = 235,155,829,700,607,424/716,626,967.25
  6. Step 6: Final answer
    x = 328,142,590.84

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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.